Longines

WATCHES THAT MADE HISTORY

1 // Pocket Watches & Stopwatches

AN EARLY LONGINES— AND A CLEAR VISION

Longines Savonnette Pocket Watch in Silver Date of production: 8 October 1867 Date of sale: 23 October 1867 Type: Savonette pocket watch Serial number: 183 Diameter: 52 mm

This early Longines from 1867 marked the transition from handcrafted to machine-­made watches. Jacques David’s report from the United States jolted the Swiss watch industry.

Case: Sterling silver Movement: Caliber AA4 (ébauche by Japy), 15 jewels, winding mechanism with key, special lever escapement for improved accuracy, inner case back (cuvette) engraved with “Improved Lever Longines” Frequency: 18,000 vibrations per hour Dial: White enamel dial with black Roman numerals, outer scale of minutes in black, mark of E. Francillon and Longines, subdial for seconds at 6 o’clock

Longines visionary Jacques David traveled to the USA and wrote a meticulous report on the industrialization and competitive advantages of American watchmakers.

1 // Pocket Watches & Stopwatches

AN EARLY LONGINES— AND A CLEAR VISION

Longines Savonnette Pocket Watch in Silver Date of production: 8 October 1867 Date of sale: 23 October 1867 Type: Savonette pocket watch Serial number: 183 Diameter: 52 mm

This early Longines from 1867 marked the transition from handcrafted to machine-­made watches. Jacques David’s report from the United States jolted the Swiss watch industry.

Case: Sterling silver Movement: Caliber AA4 (ébauche by Japy), 15 jewels, winding mechanism with key, special lever escapement for improved accuracy, inner case back (cuvette) engraved with “Improved Lever Longines” Frequency: 18,000 vibrations per hour Dial: White enamel dial with black Roman numerals, outer scale of minutes in black, mark of E. Francillon and Longines, subdial for seconds at 6 o’clock

Longines visionary Jacques David traveled to the USA and wrote a meticulous report on the industrialization and competitive advantages of American watchmakers.

2 // Pocket Watches & Stopwatches

throughout the entire Middle East—a role he maintained even beyond the Ottoman Empire’s collapse and through the birth of modern Turkey in 1923. His dealer network was legendary, with strategically positioned subagents in Damascus, Beirut, Smyrna, Baghdad, Salonika, Aleppo, and other cities generating sales. His clientele extended to include railroad companies, which placed particular value on precise timekeeping.

The dual time systems that coexisted for so long, alaturka and alafranga, embodied more than mere chronometry— they represented a cultural clash. The lives of the agrarian majority of the population revolved around working in the fields, so they naturally preferred to measure the time to the end of sun’s descent. Islamic prayer hours, too, followed the rhythm from one sunset to the next. Traditionalists long remained devoted to alaturka time, recognizing it as fundamental to their cultural identity. Ahmet Ha im, a prominent voice of the period, captured this sentiment with poetic elegance: “Time was an infinite

Pocket Watches & Stopwatches \\ 2

Right: The enamel dial features the name of Longines importer Djezvedjian. The movement is engraved with the winged hourglass, the logo of Longines.

garden, and the hours were colourful flowers lit by the sun which bloomed there, inclining sometimes to the left, sometimes to the right. Until we became accustomed to foreign time, the twenty-four-hour ‘day’ with each end lost in the darkness of night ... was unknown.”

Nevertheless, Western timekeeping swiftly infiltrated administrative corridors, government offices, and military institutions. In late 1925, the Turkish parliament issued a decree ending the ancient time system. Today, the historical timepieces have become treasured collectors’ items—even though the memory of the evening cannon’s sound that once thundered across Constantinople has long since faded.

Two women pose in front of the Orient Express in the 1920s.

The luxury train Orient Express earned titles such as the “King of Trains” and “Train of Kings.”

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Passengers with their luggage upon the arrival of the Orient Express in Istanbul in 1890.

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2 // Pocket Watches & Stopwatches

throughout the entire Middle East—a role he maintained even beyond the Ottoman Empire’s collapse and through the birth of modern Turkey in 1923. His dealer network was legendary, with strategically positioned subagents in Damascus, Beirut, Smyrna, Baghdad, Salonika, Aleppo, and other cities generating sales. His clientele extended to include railroad companies, which placed particular value on precise timekeeping.

The dual time systems that coexisted for so long, alaturka and alafranga, embodied more than mere chronometry— they represented a cultural clash. The lives of the agrarian majority of the population revolved around working in the fields, so they naturally preferred to measure the time to the end of sun’s descent. Islamic prayer hours, too, followed the rhythm from one sunset to the next. Traditionalists long remained devoted to alaturka time, recognizing it as fundamental to their cultural identity. Ahmet Ha im, a prominent voice of the period, captured this sentiment with poetic elegance: “Time was an infinite

Pocket Watches & Stopwatches \\ 2

Right: The enamel dial features the name of Longines importer Djezvedjian. The movement is engraved with the winged hourglass, the logo of Longines.

garden, and the hours were colourful flowers lit by the sun which bloomed there, inclining sometimes to the left, sometimes to the right. Until we became accustomed to foreign time, the twenty-four-hour ‘day’ with each end lost in the darkness of night ... was unknown.”

Nevertheless, Western timekeeping swiftly infiltrated administrative corridors, government offices, and military institutions. In late 1925, the Turkish parliament issued a decree ending the ancient time system. Today, the historical timepieces have become treasured collectors’ items—even though the memory of the evening cannon’s sound that once thundered across Constantinople has long since faded.

Two women pose in front of the Orient Express in the 1920s.

The luxury train Orient Express earned titles such as the “King of Trains” and “Train of Kings.”

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Passengers with their luggage upon the arrival of the Orient Express in Istanbul in 1890.

25 \\

7 // Wristwatches

EINSTEIN’S GOLD LONGINES AND THE MYSTERIOUS SPY Albert Einstein revolutionized physics with his theory of relativity. On his wrist he had a Longines, which he gifted to his last love—unaware she was a Soviet spy.

Longines Tonneau-shaped Men’s Gold Wristwatch Date of production: July 1929 Serial number: 4’876’616 Dimensions: 26 x 38 mm Case: 14K gold Movement: Caliber 10.86N, 17 jewels, movement adjusted to temperature and two positions, Breguet hairspring, bimetallic balance Frequency: 18,000 vibrations per hour Special functions: Tonneau-shaped small seconds display, movement with fine adjustment

Albert Einstein wearing his gold Longines watch on his wrist at the El Mirador Hotel in Palm Springs, California, February 10, 1933.

7 // Wristwatches

EINSTEIN’S GOLD LONGINES AND THE MYSTERIOUS SPY Albert Einstein revolutionized physics with his theory of relativity. On his wrist he had a Longines, which he gifted to his last love—unaware she was a Soviet spy.

Longines Tonneau-shaped Men’s Gold Wristwatch Date of production: July 1929 Serial number: 4’876’616 Dimensions: 26 x 38 mm Case: 14K gold Movement: Caliber 10.86N, 17 jewels, movement adjusted to temperature and two positions, Breguet hairspring, bimetallic balance Frequency: 18,000 vibrations per hour Special functions: Tonneau-shaped small seconds display, movement with fine adjustment

Albert Einstein wearing his gold Longines watch on his wrist at the El Mirador Hotel in Palm Springs, California, February 10, 1933.

12 // Chronographs

The chronograph caliber 19.73N featured a non-magnetic balance.

Right side: The fluted crown with integrated push-piece for the chronograph. Perfectly preserved enamel dial with red numeral 12.

reducing the overall height from 9 to 7.4 millimeters, while also playing a leading role in modernizing production methods in Saint-Imier.

Caliber 19.73N was produced in multiple versions. It was available with counters for 30 minutes or 60 minutes. In 1910, the movement was already equipped with a split-second function for pocket watches. That same year, a high-frequency version (5 Hz) was created for the first time to measure tenths of a second, followed in 1916 by a version that could measure hundredths of a second (50 Hz).

At this time, pocket watches still dominated the market— wristwatches were considered effeminate, and gentlemen displayed their precious timepieces on chains across their waistcoats. The military’s needs and the evolution of aviation, however, demanded practical, easy-to-read watches pilots could consult without fumbling in their pockets mid-flight. This necessity made reducing watch sizes a key priority. The 19.73N wrist chronographs remained substantial at 47.4 millimeters in diameter, but this generous sizing ensured they would be very easy to read in airplane cockpits.

Longines continued producing the classic caliber 19.73N for various markets until 1928; it was used in pilot’s watches, wristwatches, and pocket watch chronographs.

Initially, a dual-crown arrangement was adopted, where the lower crown served no function—it was purely aesthetic, added for visual symmetry. The two subdials were positioned either vertically (at 6 and 12 o’clock) or horizontally (at 3 and 9 o’clock). Most of the 19.73N wrist chronographs were sold on the Russian market through Schwob & Fils, though some were also sold in Spain, Italy, and Switzerland.

Today, the early 19.73N wrist chronographs are exceptionally rare. They represent pioneering chapters in both aviation and wristwatch history. The technical sophistication of these timepieces remains impressive— particularly considering they were created without computer-controlled machine tools or modern design aids.

Left side: A rare version of the 19.73N chronograph: Movement produced on May 2, 1912, housed in a 14-karat gold case for the Russian market in January 1917.

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12 // Chronographs

The chronograph caliber 19.73N featured a non-magnetic balance.

Right side: The fluted crown with integrated push-piece for the chronograph. Perfectly preserved enamel dial with red numeral 12.

reducing the overall height from 9 to 7.4 millimeters, while also playing a leading role in modernizing production methods in Saint-Imier.

Caliber 19.73N was produced in multiple versions. It was available with counters for 30 minutes or 60 minutes. In 1910, the movement was already equipped with a split-second function for pocket watches. That same year, a high-frequency version (5 Hz) was created for the first time to measure tenths of a second, followed in 1916 by a version that could measure hundredths of a second (50 Hz).

At this time, pocket watches still dominated the market— wristwatches were considered effeminate, and gentlemen displayed their precious timepieces on chains across their waistcoats. The military’s needs and the evolution of aviation, however, demanded practical, easy-to-read watches pilots could consult without fumbling in their pockets mid-flight. This necessity made reducing watch sizes a key priority. The 19.73N wrist chronographs remained substantial at 47.4 millimeters in diameter, but this generous sizing ensured they would be very easy to read in airplane cockpits.

Longines continued producing the classic caliber 19.73N for various markets until 1928; it was used in pilot’s watches, wristwatches, and pocket watch chronographs.

Initially, a dual-crown arrangement was adopted, where the lower crown served no function—it was purely aesthetic, added for visual symmetry. The two subdials were positioned either vertically (at 6 and 12 o’clock) or horizontally (at 3 and 9 o’clock). Most of the 19.73N wrist chronographs were sold on the Russian market through Schwob & Fils, though some were also sold in Spain, Italy, and Switzerland.

Today, the early 19.73N wrist chronographs are exceptionally rare. They represent pioneering chapters in both aviation and wristwatch history. The technical sophistication of these timepieces remains impressive— particularly considering they were created without computer-controlled machine tools or modern design aids.

Left side: A rare version of the 19.73N chronograph: Movement produced on May 2, 1912, housed in a 14-karat gold case for the Russian market in January 1917.

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18 // Chronographs

RACE CAR DRIVER WITH A FLYBACK CHRONOGRAPH Fred Agabashian clocked the fastest lap in training for the Indianapolis 500 race in 1952—and Longines introduced a new way to measure time.

Longines Chronograph 13ZN Reference 5415 Date of production: 17 November 1947 Date of sale: 26 January 1948 Reference: 5415 Diameter: 38 mm Case: Stainless steel, water-resistant, screw-down case back Movement: Caliber 13ZN, 17 jewels, anti-magnetic, Glucydur balance Frequency: 18,000 vibrations per hour Dial: Matte silvered, Arabic numerals, 30-minute counter, subdial for seconds, 1/5 second scale, blued hands Special function: Flyback chronograph

Fred Agabashian at a young age: He captured his first Northern California Racing Association title at the age of 24.

18 // Chronographs

RACE CAR DRIVER WITH A FLYBACK CHRONOGRAPH Fred Agabashian clocked the fastest lap in training for the Indianapolis 500 race in 1952—and Longines introduced a new way to measure time.

Longines Chronograph 13ZN Reference 5415 Date of production: 17 November 1947 Date of sale: 26 January 1948 Reference: 5415 Diameter: 38 mm Case: Stainless steel, water-resistant, screw-down case back Movement: Caliber 13ZN, 17 jewels, anti-magnetic, Glucydur balance Frequency: 18,000 vibrations per hour Dial: Matte silvered, Arabic numerals, 30-minute counter, subdial for seconds, 1/5 second scale, blued hands Special function: Flyback chronograph

Fred Agabashian at a young age: He captured his first Northern California Racing Association title at the age of 24.

26 // Aviation & Navigation Longines Cockpit Clock with Dual Time Zone Display

COCKPIT CLOCK ON FIRST PACIFIC NONSTOP FLIGHT They flew bootless and landed without landing gear: Pangborn and Herndon piloted the first nonstop Pacific crossing in 1931, a dual time zone clock in their cockpit.

The two gentlemen before their record-making flight of 1931: Clyde Pangborn (left) and Hugh Herndon.

Date of production: 8 April 1929, prototype for Wittnauer USA Diameter: 90 mm Case: Aluminum Movement: Caliber 18.69N, 15 jewels, bimetallic balance, “Extra Quality”, regulated for isochronism Frequency: 18,000 vibrations per hour Dial: Dual 24-hour scale for double hour and minute hands (one set blued, one set in gold), both scales with a minute scale, subdial for seconds Special functions: Dual hour and minute hands for displaying two time zones; slide at 3 o’clock to stop the movement

26 // Aviation & Navigation Longines Cockpit Clock with Dual Time Zone Display

COCKPIT CLOCK ON FIRST PACIFIC NONSTOP FLIGHT They flew bootless and landed without landing gear: Pangborn and Herndon piloted the first nonstop Pacific crossing in 1931, a dual time zone clock in their cockpit.

The two gentlemen before their record-making flight of 1931: Clyde Pangborn (left) and Hugh Herndon.

Date of production: 8 April 1929, prototype for Wittnauer USA Diameter: 90 mm Case: Aluminum Movement: Caliber 18.69N, 15 jewels, bimetallic balance, “Extra Quality”, regulated for isochronism Frequency: 18,000 vibrations per hour Dial: Dual 24-hour scale for double hour and minute hands (one set blued, one set in gold), both scales with a minute scale, subdial for seconds Special functions: Dual hour and minute hands for displaying two time zones; slide at 3 o’clock to stop the movement

MILITARY TIMEPIECES 33 // TRENCH WATCH 34 // BLACK WEEMS REF. 3796 35 // WEEMS SECOND SETTING WATCH REF. 4036 36 // PILOT’S CHRONOGRAPH REF. 3811 37 // “SERBIAN” REF. 2326 38 // “TRE TACCHE MULTISTEP” REF. 4047 39 // AM 6B/159 REF. 4830 40 // C.O.S.D. 2340 41 // MILITARY “L 01” REF. 5193 42 // PILOT’S WATCH “MAJETEK” REF. 3582 43 // PILOT’S WATCH “BIG INDIAN” REF. 6111 44 // MARINE NATIONALE REF. 5774

MILITARY TIMEPIECES 33 // TRENCH WATCH 34 // BLACK WEEMS REF. 3796 35 // WEEMS SECOND SETTING WATCH REF. 4036 36 // PILOT’S CHRONOGRAPH REF. 3811 37 // “SERBIAN” REF. 2326 38 // “TRE TACCHE MULTISTEP” REF. 4047 39 // AM 6B/159 REF. 4830 40 // C.O.S.D. 2340 41 // MILITARY “L 01” REF. 5193 42 // PILOT’S WATCH “MAJETEK” REF. 3582 43 // PILOT’S WATCH “BIG INDIAN” REF. 6111 44 // MARINE NATIONALE REF. 5774

40 // Military Timepieces

Right: The Longines C.O.S.D. belonging to Knut M. Haugland, a member of the 1947 Kon-Tiki expedition.

Far right: The Norwegian crew sailed some 4,300 miles across the South Pacific from Peru to Polynesia on a simple balsa raft.

Below: The Kon-Tiki raft on the open ocean, 1947.

All evidence suggests that the timepiece belonged to Norwegian radio operator Knut M. Haugland—an expedition participant, World War II resistance fighter, and later the first director of the Kon-Tiki Museum. In an old photograph, he can be seen wearing a watch that looks exactly like the Longines in the museum. He most likely acquired this personal piece that accompanied him across the Pacific from military surplus. Today, the timepiece with serial number 6’890’163 is in the Kon-Tiki Museum in Oslo, and in “surprisingly good condition,” as a watchmaker discovered with amazement upon opening the watch.

In addition to the “Tuna Can,” an alternative stainless steel case for the C.O.S.D. was manufactured by the

British company Dennison Watch Case Co. Ltd. These models typically feature MoD dials, subsequently printed in the United Kingdom—MoD stands for Ministry of Defence—as well as smaller winding crowns, which may also have been produced by Dennison. Three of these gold-cased watches are known to exist today.

Opposite page: The solid nickel chrome-plated brass case was made in England by Goldsmiths & Silversmiths.

One C.O.S.D. watch embarked on a second career after the war: Knut Haugland wore it on the Kon-Tiki expedition of 1947.

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40 // Military Timepieces

Right: The Longines C.O.S.D. belonging to Knut M. Haugland, a member of the 1947 Kon-Tiki expedition.

Far right: The Norwegian crew sailed some 4,300 miles across the South Pacific from Peru to Polynesia on a simple balsa raft.

Below: The Kon-Tiki raft on the open ocean, 1947.

All evidence suggests that the timepiece belonged to Norwegian radio operator Knut M. Haugland—an expedition participant, World War II resistance fighter, and later the first director of the Kon-Tiki Museum. In an old photograph, he can be seen wearing a watch that looks exactly like the Longines in the museum. He most likely acquired this personal piece that accompanied him across the Pacific from military surplus. Today, the timepiece with serial number 6’890’163 is in the Kon-Tiki Museum in Oslo, and in “surprisingly good condition,” as a watchmaker discovered with amazement upon opening the watch.

In addition to the “Tuna Can,” an alternative stainless steel case for the C.O.S.D. was manufactured by the

British company Dennison Watch Case Co. Ltd. These models typically feature MoD dials, subsequently printed in the United Kingdom—MoD stands for Ministry of Defence—as well as smaller winding crowns, which may also have been produced by Dennison. Three of these gold-cased watches are known to exist today.

Opposite page: The solid nickel chrome-plated brass case was made in England by Goldsmiths & Silversmiths.

One C.O.S.D. watch embarked on a second career after the war: Knut Haugland wore it on the Kon-Tiki expedition of 1947.

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44 // Military Timepieces

A LONGINES FOR THE FRENCH NAVY The Marine Nationale watch of 1947 was a forerunner of the diver’s watch: It was waterproof, shockproof, and designed for military operations.

Longines Marine Nationale Date of production: 2 September 1947 Date of sale: 5 September 1947 Reference: 5774 Diameter: 33.5 mm Case: Stainless steel, water-resistant to 30 meters, screw-down case back engraved with “M N” Movement: Caliber 12.68N, 17 jewels, manual winding mechanism, shockresistant, anti-magnetic balance, fine adjustment (réglage serré) Frequency: 18,000 vibrations per hour The cover of the monthly magazine Marine Nationale from the September 1947 issue.

Dial: Silvered, with Arabic numerals, hands and numerals coated with radium, 1/5 of a second scale

44 // Military Timepieces

A LONGINES FOR THE FRENCH NAVY The Marine Nationale watch of 1947 was a forerunner of the diver’s watch: It was waterproof, shockproof, and designed for military operations.

Longines Marine Nationale Date of production: 2 September 1947 Date of sale: 5 September 1947 Reference: 5774 Diameter: 33.5 mm Case: Stainless steel, water-resistant to 30 meters, screw-down case back engraved with “M N” Movement: Caliber 12.68N, 17 jewels, manual winding mechanism, shockresistant, anti-magnetic balance, fine adjustment (réglage serré) Frequency: 18,000 vibrations per hour The cover of the monthly magazine Marine Nationale from the September 1947 issue.

Dial: Silvered, with Arabic numerals, hands and numerals coated with radium, 1/5 of a second scale

47 // Dive Watches

After years of development, the engineers in Saint-Imier achieved their goal of making a purely mechanical watch without a battery as accurate as Accutron’s electronic tuning fork watch.

This meant the barrel also had to be enlarged to accommodate the spring. As all the gears in the gear train were subjected to much higher loads, their manufacture required much greater precision. In addition, a screwless three-armed Glucydur balance (beryllium bronze) with a non-magnetic, self-compensating Nivarox balance spring was employed.

Excerpt from the 1968 catalog: Dive watches for ladies with automatic winding and the Ultra-Chron in the center.

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The Ultra-Chron presented here is the dive watch version, cataloged as reference 7970. With this model, Longines introduced the world’s first dive watch with a high-frequency movement. The watch with the 41millimeter stainless steel case is a rarity, as it is from the first series of reference 7970. The sporty watch was invoiced to American importer Longines-Wittnauer Watch Co. on August 22, 1968. It featured a finely knurled, unidirectional rotating bezel with a 60-minute graduation.

As befits a dive watch, the minute hand was highlighted in reddish orange to match the indexes of the same color on the bezel. The second hand, in turn, ended in a triangle filled with luminescent material at its tip. Dive watches with high-beat movements remain rare today,

Opposite page: An advertisement from 1969: Water skiing was an up-and-coming sport at the time.

Longines also offered the Ultra-Chron as a ladies’ model and as a waterproof chronograph with a tachymeter scale specifically for water skiing.

making them particularly interesting for watch collectors.

Back in the spring of 1967, Longines commissioned renowned specialist La Centrale in Biel, Switzerland, to manufacture the steel case, which was to be waterproof to 200 meters. Longines presented the watch at a trade fair in Basel in 1968. Approximately 50 years after the model’s production ended, in 2022, Longines launched another Ultra-Chron dive watch—once again with a highbeat movement, of course.

47 // Dive Watches

After years of development, the engineers in Saint-Imier achieved their goal of making a purely mechanical watch without a battery as accurate as Accutron’s electronic tuning fork watch.

This meant the barrel also had to be enlarged to accommodate the spring. As all the gears in the gear train were subjected to much higher loads, their manufacture required much greater precision. In addition, a screwless three-armed Glucydur balance (beryllium bronze) with a non-magnetic, self-compensating Nivarox balance spring was employed.

Excerpt from the 1968 catalog: Dive watches for ladies with automatic winding and the Ultra-Chron in the center.

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The Ultra-Chron presented here is the dive watch version, cataloged as reference 7970. With this model, Longines introduced the world’s first dive watch with a high-frequency movement. The watch with the 41millimeter stainless steel case is a rarity, as it is from the first series of reference 7970. The sporty watch was invoiced to American importer Longines-Wittnauer Watch Co. on August 22, 1968. It featured a finely knurled, unidirectional rotating bezel with a 60-minute graduation.

As befits a dive watch, the minute hand was highlighted in reddish orange to match the indexes of the same color on the bezel. The second hand, in turn, ended in a triangle filled with luminescent material at its tip. Dive watches with high-beat movements remain rare today,

Opposite page: An advertisement from 1969: Water skiing was an up-and-coming sport at the time.

Longines also offered the Ultra-Chron as a ladies’ model and as a waterproof chronograph with a tachymeter scale specifically for water skiing.

making them particularly interesting for watch collectors.

Back in the spring of 1967, Longines commissioned renowned specialist La Centrale in Biel, Switzerland, to manufacture the steel case, which was to be waterproof to 200 meters. Longines presented the watch at a trade fair in Basel in 1968. Approximately 50 years after the model’s production ended, in 2022, Longines launched another Ultra-Chron dive watch—once again with a highbeat movement, of course.

Acknowledgements/About the Authors

ACKNOWLEDGEMENTS This book originated as an idea of our loyal collectors. Leading the way were Adonya Ourshalimian and Frank Smits, to whom we owe a great debt of gratitude. They entrusted us with this ambitious project, but without the constructive and dedicated involvement of our collectors, this book could never have come to life. Not only do they own most of the watches presented here, but they also shared their valuable knowledge with us. These collectors include Eitan Arrusi, Dave Bagg, Valentino Balboni, Emil Borokhovich, Vefa Borovalı, Luigino Bottoni, Nicolas Dauphas, doctorsteelitaly, Guido Hamacher, Matt Hanson, Oliver Hartmann, Tanguy Laviolette, Seiji Lépine, Dave Marcinek, Glenn Mariconda, Christian Müller, Melodie Nga Ting Wong, Olivier Odelin, George Pakkos, Matthieu Schegg, Milos Svoboda, Andrew Tolley, Dino van Lingen, and Gerd Wellhausen. Our heartfelt thanks for your collaboration!

More than a dozen of the watches presented come from the collection of the Longines Museum, which comprises over 400 fascinating watches, navigation instruments, and professional timekeeping devices from the company’s more than 190 years of history. You are most welcome to visit this interactive museum in Saint-Imier, Switzerland (www.longines.com/de/universe/museum). All guided tours are offered in German, French, Italian, or English.

Special thanks go to the Brand Heritage Team at Longines, especially to Fatima Boulanouar, who provided invaluable support in organizing, coordinating, translating, and researching images, as well as Marie Reber, Anne Develey, and Philippe Hebeisen, who completed supplementary research for the book. Mayu Kanazawa from Atelier Heritage deserves recognition for her work refining the Japanese translation.

The road from project concept to finished book was a long one, and the friendly and collaborative support from Pit Pauen and Luisa Krause-Rossa at teNeues/Die Gestalten Verlag proved tremendously helpful—we are deeply grateful!

ABOUT THE AUTHORS Pierre-André Schmitt, born in 1958, is a renowned journalist with a career spanning 40+ years. From 2017 to 2023, he served as editor-in-chief and co-owner of the watch magazine Watch Around, which published ten issues a year. Deeply passionate about horology, Schmitt has been writing about watches for over two decades, particularly as deputy editor-in-chief of the prestigious Swiss business magazine Bilanz. In this role, he oversaw the publication’s coverage of watches, gaining invaluable insights into the world of timepieces. Prior to this, Schmitt was editor-in-chief of Swiss Automobil Revue, Europe’s oldest automotive magazine, and also served as deputy editor-in-chief of the Swiss news magazine Facts.

Daniel Hug, born in 1963, has been Head of Brand Heritage at Longines since 2019, stewarding the history of the brand with the winged hourglass. Previously, he headed up the Business section at NZZ am Sonntag in Zurich, where he spent 16 years researching and commenting on companies, markets, and economic policy, always devoting particular attention to analyzing and reporting on the watch industry. In 2007, he was awarded the Zurich Journalism Prize (Zürcher Journalistenpreis). In total, he worked as a business journalist for 25 years, including positions at the Tages-Anzeiger in Zurich and Bund in Bern. Hug holds a degree in business administration, economics, and political science from the University of Bern and earned his MBA in communications at the University of Lugano.

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