Patek Philippe CALIBER CH 28-520 HU, Руководство пользователя

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SPECIFICATIONS OF THE MOVEMENT
SELF-WINDING MECHANICAL MOVEMENT
CALIBER CH 28-520 HU
DIAMETER 33 mm
HEIGHT 7.97 mm
NUMBER OF PARTS 343
NUMBER OF JEWELS 38
POWER RESERVE Min. 50 hours – max. 55 hours
WINDING ROTOR Central rotor in 21K gold,
unidirectional winding
BALANCE Gyromax
®
FREQUENCY 28,800 semi-oscillations/hour (4 Hz)
BALANCE SPRING Spiromax ®
HALLMARK Patek Philippe Seal
displays
– Hours and minutes
– Sweep chronograph/seconds hand
– City disk
– 24-hour ring with day/night indication in colors
and sun/moon symbols
– 30-minute counter
time-zone pusher at 10 o’clock
Synchronized one-hour corrections of the hour hand (clockwise)
and 1/24th increments (15°) of the city disk and 24-hour ring
(counterclockwise).
chronograph pushers
Chronograph start and stop at 2 o’clock
Chronograph reset or flyback at 4 o’clock