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855P movement

Perpetual Calendar, automatic
Piaget 855P ultra-thin automatic mechanical perpetual calendar movement

855P

5.6 mm ultra-thin self-winding mechanical perpetual calendar, dual time, a retrograde date and day, small seconds

855P

5.6 mm ultra-thin self-winding mechanical perpetual calendar, dual time, a retrograde date and day, small seconds
Piaget 855P perpetual calendar watch movement

  • Characteristics

    Movement type
    Automatic mechanical
    Shape
    Round
    Functions
    Hours, Minutes, Small seconds at 4 o'clock, Retrograde date display at 3 o'clock, Retrograde day display at 9 o'clock, Second time zone at 8 o'clock (12 hours), Day/night indicator at 8 o'clock synchronized with the main time zone, Month at 12 o'clock, Year at 12 o'clock
    Technical features
    Double barrel, Balance with screws, Retrograde day and date displays
    Power reserve (in hours)
    Approx. 72
    Frequency (vph)
    21,600
    Frequency (Hz)
    3
    Diameter (lines)
    12.5
    Diameter (mm)
    28.4
    Number of jewels
    38
    Thickness (mm)
    5.6
    Number of components
    343
    Finishing

Characteristics

Movement type
Automatic mechanical
Shape
Round
Functions
Hours, Minutes, Small seconds at 4 o'clock, Retrograde date display at 3 o'clock, Retrograde day display at 9 o'clock, Second time zone at 8 o'clock (12 hours), Day/night indicator at 8 o'clock synchronized with the main time zone, Month at 12 o'clock, Year at 12 o'clock
Technical features
Double barrel, Balance with screws, Retrograde day and date displays
Power reserve (in hours)
Approx. 72
Frequency (vph)
21,600
Frequency (Hz)
3
Diameter (lines)
12.5
Diameter (mm)
28.4
Number of jewels
38
Thickness (mm)
5.6
Number of components
343
Finishing
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