Patek Philippe caliber CH 28-520
Patek Philippe · Movement

Patek Philippe caliber CH 28-520

Ref. CH 28-520

Stripped down CH 28-520 chronograph functions with hours, minutes and seconds counter. Column wheel. Balance spring is Spiromax.

Type
Automatic
Display
Analog
Power reserve
55 h
Frequency
28800 vph
Jewels
29
Diameter
30 mm
Complications
Chronograph, Column wheel, Hours, Minutes

Used in

6 models