Patek Philippe caliber CH 28-520 QA 24H

Patek Philippe caliber CH 28-520 QA 24H

Ref. CH 28-520 QA 24H

The Patek Philippe caliber CH 28-520 QA 24H is an automatic movement with a 55-hour power reserve, beats at 28,800 vph, and carries 40 jewels.

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