Gyromatic

File:GP Gyromatic.jpg

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: Girard-Perregaux Description: Self-winding movement, bi-directional winding (with two roller freewheels) Incabloc shock absorber Number of parts: ? Functions: Central seconds / small seconds Date Data: 11½ lignes D 25.6 mm, H 5.64 mm 19 - 39 jewels 18,000 A/h Power reserve 40h Production period: 1956-1957

Weblinks

• 1956 - Gyromatic Nr. 21, Der Uhrmacher - Österreichische Uhrmacherzeitung 1. April 1956, source: www.uhren-mikl.com