subeMovement: Caliber CHR 29-535 PS Q
Manually wound mechanical movement, split-seconds chronograph with two column wheels, chronograph and split-seconds hands, jumping 30-minute counter and subsidiary seconds. Perpetual calendar with day, month, leap-year cycle and day/night indication in apertures, analog date. Moon phases.
Diameter: 32 mm
Height: 8.70 mm (of which 1.65 for the perpetual calendar, 1.7 mm for the split-seconds mechanism)
Number of parts: 496 (of which 182 for the perpetual calendar and 42 for the split-seconds mechanism with isolator)
Number of jewels: 34
Power reserve: 65 hours
Balance: Gyromax®
Frequency: 28,800 semi-oscillations/hour (4 Hz)
Balance spring: Breguet
Functions: Two-position crown
– Pushed in: To wind the watch
– Pulled out: To set the time and stop the seconds hand
Displays: Center hour and minute hands
Chronograph hand and split-seconds hand from the center
Subsidiary dials:
– 30-minute counter between 3 and 4 o'clock
– Subsidiary seconds between 8 and 9 o'clock
– Date at 6 o'clock
Apertures:
– Day and month on an axis beneath 12 o'clock
– Moon phase at 6 o'clock
– Day/night indication between 7 and 8 o'clock
– Leap year cycle between 4 and 5 o'clock
Corrector push pieces:
– Day corrector between 10 and 11 o'clock
– Month corrector between 12 and 1 o'clock
– Moon-phase corrector between 6 and 7 o'clock
– Date corrector between 11 and 12 o'clock
Delivered with correction stylus in ebony and 18K white gold
Chronograph pushers: – Start and stop at 2 o'clock
– Split-seconds pusher in the crown
– Reset at 4 o'clock
Hallmark Patek Philippe Seal
