Patek Philippe caliber CH 28-520 C

Patek Philippe caliber CH 28-520 C
Brand:Patek Philippe
Reference:CH 28-520 C
Movement:Automatic
Display:Analog
Diameter:30.00
Jewels:35
Reserve:55
Frequency:28800
Date:Date
Chronograph:Chronograph, Column wheel
Hands:Hours, Minutes

Description

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.

Calibers based on the Patek Philippe CH 28-520 C:

All watches using this caliber: