Gyromatic

Calibre Gyromatic (click to enlarge!)
Calibre Gyromatic

The Gyromatic is a historical self-winding movement by Girard-Perregaux
GP 19, 21.0 (see below Weblinks), 21.19, 21.29, 21, 22.09, 22.19

Manufacturer:

Description:

  • Self-winding movement, bi-directional winding (with two roller freewheels)
  • Incabloc shock absorber
  • Number of parts ?

Functions:

Data:

  • 11½ lignes
  • D 25.6 mm, H 5.64 mm
  • 19 - 39 jewels
  • 18,000 A/h
  • Power reserve 40h

Production period:

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