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PP CH 28-520

PP CH 28-520 (click to enlarge!)
PP CH 28-520
© Patek Philippe

Calibre CH 28-520 is an automatic chronograph movement by Patek Philippe.

Used among others in the current Nautilus 5980 model.

CH 28-520 Family

Calibre     Dimensions (mm) Jewels Parts Usage Features
CH 28-520 C/522Ø 30, H 6.6335327Nautilus 5980Chronograph with 60-minute and 12-hour mono-counter, date
CH 28-520 C/528Ø 30 H 6.6332308Aquanaut 5968Chronograph with 60-minute counter, date
CH 28-520 C FUSØ 31, H 6.9534370Nautilus 5990Chronograph with 60-minute counter, dual time-zone
CH 28-520 HUØ 33, H 7.9738343Complications 5930Flyback chronograph, Worldtimer
CH 28-520 IRM QA 24HØ 33, H 7.6840456Complications 5961Annual calendar, day/night indication, power reserve indicator
CH 28-520 QA 24HØ 33, H 7.6837402Complications 5905Flyback chronograph, 60-minute counter, annual calendar, day, date, month and day/night indication



  • Hours, minutes
  • Chronograph with 60-minute and 12-hour mono-counter


Production period:

  • ?-present
pp_ch_28-520.txt · Last modified: 02.12.2022 20:38 by

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