Patek Philippe caliber CH 28-520 QA 24H
Patek Philippe · Movement

Patek Philippe caliber CH 28-520 QA 24H

Ref. CH 28-520 QA 24H

Movement based on CH 28-520 IRM QA 24H, yet without Power Reserve indicator and hour totalizer.

Type
Automatic
Display
Analog
Power reserve
55 h
Frequency
28800 vph
Jewels
40
Diameter
33 mm
Complications
Annual Calendar, Chronograph, Column wheel, Date, Day, Day, Flyback, Hours, Minutes, Month, Night Indication
Base caliber
Patek Philippe caliber CH 28-520 IRM QA 24H

Used in

6 models