Watch Wiki

The Best Watches and Watch Brands

User Tools

Site Tools


pp_28-20

PP 28-20

PP 28-20 (click to enlarge!)
PP 28-20
© Patek Philippe

PP TO 28-20 (click to enlarge!)
PP TO 28-20
© Patek Philippe

Calibre PP 28-20/220, exploded view (click to enlarge!)
Calibre PP 28-20/220, exploded view
© Patek Philippe

Calibre 28-20 REC is a hand-wound watch movement from Patek Philippe.

This tonneau-shaped calibre has 8 (10) days power reserve.

Variants

Calibre Dimensions (mm) Jewels Parts Usage Features
28-20/220 Ø 27, H ? 29 Gondolo 10 Day Power Reserve 51002 barrels, Gyromax® balance,
Power reserve 10 days
TO 28-20 REC 10J PS IRMØ 27, H ?29 Gondolo 10 Day Tourbillon 5101Tourbillon, 2 barrels, Gyromax® balance,
Power reserve 10 days
28-20 REC 8J PS IRM C J Ø 27, H ? 28142Gondolo 5200 Gyromax® balance, Spiromax® balance spring, Pulsomax® escapement,
Power reserve 192 h (8 days)

Description:

Functions:

Data:

  • 28,800 A/h (28-20 REC 10J PS IRM: 21.600 A/h))
  • 28×20 mm, H ?

Production period:

  • ?-present
pp_28-20.txt · Last modified: 02.12.2022 20:38 by 127.0.0.1

Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki

© Watch Wiki. All texts are protected by copyright. The respective copyright holders are the signatories of the contributions. For details see Impressum. Regarding objections and complaints (copyright and other rights) also see there. Impressum | Privacy Policy | Copyright | About Watch Wiki