Patek Philippe caliber CH 28-520 IRM QA 24H
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Brand: | Patek Philippe |
---|---|
Reference: | CH 28-520 IRM QA 24H |
Movement: | Automatic |
Display: | Analog |
Diameter: | 33.00 |
Jewels: | 40 |
Reserve: | 55 |
Frequency: | 28800 |
Date: | Annual Calendar, Date, Day, Month |
Chronograph: | Chronograph, Column wheel, Flyback |
Hands: | Day / Night Indication, Hours, Minutes |
Additionals: | Power Reserve Indicator |
![Patek Philippe caliber CH 28-520 IRM QA 24H Patek Philippe caliber CH 28-520 IRM QA 24H](https://cdn.watchbase.com/caliber/lg/patek-philippe/ch-28-520-irm-qa-24h-b6.png)
CH 28-520 IRM QA 24H description
The CH 28-520 IRM QA 24H was Patek's first in-house selfwinding chronograph movement.
Other calibers that are based on the Patek Philippe CH 28-520 IRM QA 24H:
All watches using the Patek Philippe CH 28-520 IRM QA 24H movement:
![Patek Philippe Annual Calendar Chronograph 5960 Stainless Steel / Silver (5960/1A-001)](https://cdn.watchbase.com/watch/md/patek-philippe/calatrava/5960-1a-001-ad.png)
5960/1A-001
Patek Philippe Annual Calendar Chronograph 5960 Stainless Steel / Silver
![Patek Philippe Annual Calendar Chronograph 5960 Platinum / Black (5960P-016)](https://cdn.watchbase.com/watch/md/patek-philippe/calatrava/5960p-016-5a.jpg)
5960P-016
Patek Philippe Annual Calendar Chronograph 5960 Platinum / Black
![Patek Philippe Annual Calendar Chronograph 5960 White Gold / Blue / Moscow (5960G-010)](https://cdn.watchbase.com/watch/md/patek-philippe/calatrava/5960g-4c.jpg)
5960G-010
Patek Philippe Annual Calendar Chronograph 5960 White Gold / Blue / Moscow
![Patek Philippe Annual Calendar Chronograph 5960 Platinum / Grey (5960P-001)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5960p-001-8a.jpg)
5960P-001
Patek Philippe Annual Calendar Chronograph 5960 Platinum / Grey
![Patek Philippe Annual Calendar Chronograph 5960 Platinum / Blue (5960P-015)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5960p-015-2f.jpg)
5960P-015
Patek Philippe Annual Calendar Chronograph 5960 Platinum / Blue
![Patek Philippe Annual Calendar Chronograph 5960 Rose Gold / Silver (5960R-011)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5960r-011-41.jpg)
5960R-011
Patek Philippe Annual Calendar Chronograph 5960 Rose Gold / Silver
![Patek Philippe Annual Calendar Chronograph 5960 Rose Gold / Grey (5960R-001)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5960r-001-71.jpg)
5960R-001
Patek Philippe Annual Calendar Chronograph 5960 Rose Gold / Grey
![Patek Philippe Annual Calendar Chronograph 5960 Rose Gold / Black (5960R-012)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5960r-012-7.png)
5960R-012
Patek Philippe Annual Calendar Chronograph 5960 Rose Gold / Black
![Patek Philippe Annual Calendar Chronograph 5961 (5961P-013)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5916p-ruby-b3.png)
5961P-013
Patek Philippe Annual Calendar Chronograph 5961
![Patek Philippe Annual Calendar Chronograph 5961 (5961P_sapphire)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5961-sapphire-9.jpg)
5961P_sapphire
Patek Philippe Annual Calendar Chronograph 5961
![Patek Philippe Annual Calendar Chronograph 5961 Platinum / Blue (5961P-001)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5961p-001-93.png)
5961P-001
Patek Philippe Annual Calendar Chronograph 5961 Platinum / Blue
![Patek Philippe Annual Calendar Chronograph 5961 Rose Gold / Black (5961R-010)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5961r-010-91.jpg)
5961R-010
Patek Philippe Annual Calendar Chronograph 5961 Rose Gold / Black
![Patek Philippe Annual Calendar Chronograph 5960 Rose Gold / Black (5960R-010)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5960r-010-e1.png)
5960R-010
Patek Philippe Annual Calendar Chronograph 5960 Rose Gold / Black
![Patek Philippe Annual Calendar Chronograph 5960 Stainless Steel / Leicester (5960/1A-011)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5960-1a-011-74.jpg)
5960/1A-011
Patek Philippe Annual Calendar Chronograph 5960 Stainless Steel / Leicester
![Patek Philippe Annual Calendar Chronograph 5960 White Gold / Blue (5960/01G-001)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5960-01g-001-fd.png)
5960/01G-001
Patek Philippe Annual Calendar Chronograph 5960 White Gold / Blue
![Patek Philippe Annual Calendar Chronograph 5960 Stainless Steel / Black (5960/1A-010)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5960-1a-010-8c.png)
5960/1A-010
Patek Philippe Annual Calendar Chronograph 5960 Stainless Steel / Black
![Patek Philippe Annual Calendar Chronograph 5960 Platinum / Blue / Bracelet (5960/1P-0XX)](https://cdn.watchbase.com/watch/md/patek-philippe/complications/5960-1p-c9.jpg)
5960/1P-0XX
Patek Philippe Annual Calendar Chronograph 5960 Platinum / Blue / Bracelet