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

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

All watches using this caliber: