moser perpetual 1
Perpetual Calendar and Flash Calendar The term «perpetual
The date can be adjusted via the patented «Double Pull
calendar» is always ap-
Crown» mechanism, which permits the crown to be set
plied to mechanical
reliably in the right position.
watches when the date, despite the different
The display for the leap year cycle of 4 years is visible on
lengths of the months,
the movement side of the watch through the convex sap-
is always correctly in-
phire glass back. The indicator star for the leap year cycle
dicated automatically.
can be adjusted as required by means of an unobtrusive
THE FL ASH CALENDAR NEVER
Including when Febru-
pin pusher on the outside of the case.
DISPL AYS ANY INVALID DAYS
ary has 29 days every four years. The Moser
Cal. HMC 341.501 movement is a 7-day hand-wound movement with a perpetual calendar, which is adjustable forwards and backwards at any time without restriction via the winding crown in its central position. This perpetual calendar is known as the «Flash Calendar», because it possesses the world’s only date display which changes directly from the last day of the current
IDE VIEW OF THE EXCLUSIVE GOLD CASE OF THE MOSER PERPETUAL 1
month to the first day of the following month without
WITH THE BUT TON FOR ADJUSTING THE LEAP YEAR STAR
displaying invalid days; regardless of whether the month has 30, 31, 28 or 29 days. In spite of its complicated mechanism, the Flash Calendar is only recognizable on the dial by the big date display and by the very restrained design of the central hand for the display of the month with reference to the twelve indices for the hours. LEAP YEAR STAR
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