Montblanc Watch Collection / 2017 | 2018
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Montblanc Collection Villeret / Tourbillon Bi-Cylindrique
Model
Tourbillon Bi-Cylindrique
Ident No.
106495
Movement: Calibre:
MB M65.63
Movement type:
Manually wound movement with 1-minute tourbillon at 12 o‘clock
Chronograph:
-
Indications:
Hours and minutes at 6 o‘clock - seconds on tourbillon cage at 12 o‘clock
Displays (Chronograph):
-
Diameter:
38.40 mm
Height:
10.30 mm
Number of components:
284 components
Number of jewels:
26 jewels (hemispherical, cambered, olive-cut)
Power reserve:
Approx. 45 hrs
Balance:
Screw balance, Ø 14.5 mm; 59 mg.cm2
Frequency:
18,000 vibrations per hour (2.5 Hz)
Balance spring:
Double cylindrical springs
Plate:
Red gold-plated German silver, circular-grained on both sides, hand-chamfered edges
Bridges:
Red gold-plated German silver, recesses circular-grained on both sides, hand-chamfered edges
Going train:
Wheels: gold-plated, circular-grained, chamfered, diamond hubs on both sides Pinions: polished faces and toothing, burnished pivots
Case Material:
18 K red gold
Bezel:
-
Sapphire crystal:
Cambered sapphire crystal
Case back:
Screwed case back
Crown:
With Montblanc emblem in mother-of-pearl
Dial:
Open dial to reveal the details of the “mysterious hours” mechanism
Hands:
Hour and minute hands indicated on “mysterious” sapphire crystal discs
Horns:
22/20 mm
Diameter:
47 mm
Height:
15 mm
Water resistant:
3 bar (30 m)
Strap Material/Colour:
Hand-stitched alligator-skin / Brown
Clasp/Buckle:
Pin buckle in 18 K red gold
Limitation:
8 pieces
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