Functions - Piaget 855P Mode D'emploi

855P - 856P
ULTRA-THIN SELF-WINDING MECHANICAL PERPETUAL
CALENDAR MOVEMENTS
855P
855P
black and pink
gold coloured
oscillating
weight version
SPECIFIC HIGHLIGHTS
• Perpetual Calendar: a prestigious traditional Haute-Horlogerie complication which shows
the usual calendar-indications (day, date, month), and leap years.
• One of the thinnest Perpetual Calendar movements available on the market (5.6 mm).
• Available on limited series with 18K white gold diamond-set gold oscillating weight (856P).
• Balance with screws.
• Double barrel: approx. 80 hours power reserve.
• Movement development time: 3 years.
.
856P
28.4 mm
5.6 mm
1 0
855P
Ultra-thin self-winding mechanical perpetual
calendar movement, dual time, retrograde date
and day of the week, month and leap year

FUNCTIONS

Central hours and minutes.
Months and leap year at 12 o'clock.
Retrograde date at 3 o'clock.
Retrograde day-of-the-week at 9 o'clock.
Dual time at 8 o'clock.
Day/night indicator at 8 o'clock
(synchronised with the main time zone).
Small seconds at 4 o'clock.
FINISHING
Circular Côtes de Genève.
Circular-grained plate.
Bevelled bridges.
Engraved coat of arms
on the oscillating weight.
Blued screws on bridges.
Black and pink gold coloured
oscillating weight.
Black oscillating weight on Piaget Polo
FortyFive Models.
Jewels:
38
Components: 343
Movement thickness: 5.6 mm
Casing dimensions: 12''' 1/2 (28.4 mm)
Frequency: 21'600 vibrations/
hour, 3 Hz
Power reserve: approximately 80 hours
1 1
856P
Ultra-thin self-winding mechanical perpetual
calendar movement, dual time, retrograde date
and day of the week, month and leap year
FUNCTIONS
Central hours and minutes.
Months and leap year at 12 o'clock.
Retrograde date at 3 o'clock.
Retrograde day-of-the-week at 9 o'clock.
Dual time at 8 o'clock.
Day/night indicator at 8 o'clock
(synchronised with the main time zone).
Small seconds at 4 o'clock.
FINISHING
Circular Côtes de Genève.
Circular-grained plate.
Bevelled bridges.
Engraved coat of arms
on the oscillating weight.
Blued screws on bridges.
18K white gold oscillating weight set
with 25 diamonds (approx. 0.18 ct).
Jewels:
38
Components: 343
Movement thickness: 5.6 mm
Casing dimensions: 12''' 1/2 (28.4 mm)
Frequency: 21'600 vibrations/
hour, 3 Hz
Power reserve: approximately 80 hours