Patek Philippe · Automatic

CH 28-520 C

Chronograph with 60-minute and 12-hour mono-counter. Date. Diameter: 30 mm. Height: 6.63 mm. Parts: 308. Bridges: 13. Jewels: 35. Power reserve: Min. 45 hours - max. 55 hours. Central rotor in 21K gold, unidirectional winding. Balance: Gyromax®. Vibrations/hour: 28 800 (4 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal.

Patek Philippe caliber CH 28-520 C movement
Winding
Automatic
Power Reserve
55 hours
Frequency
28,800 vph (4 Hz)
Jewels
35
Diameter
30 mm
Height
6.63 mm

Watches with this movement

12

Discussion

0 comments

Loading…