Read our expert's description
Brand :
Girard-Perregaux
Model :
Tourbillon With One Gold Bridge
Reference :
Girard Perregaux - 9920
Category :
Wrist Watch
Period :
1990's
Watch ID :
12 LA CHAUX
Caliber :
T3P
Case material :
Pink gold
Dial color :
Silver
Reference Detail :
9920 .
Clasp type :
Folding clasp
Thickness :
10 mm
Complications :
Power reserve, Tourbillon
Description :
C. Three-body, solid, polished, case back with 6 screws, straight and curved lugs, sapphire crystal. D. Guilloche silver with radial Roman.numerals on a plain reserve, at 6 a polished 18K pink gold bridge over the visible one-minute tourbillon regulator with its A-shaped.carriage and blued steel seconds hand, aperture for the power reserve at 12. Blued steel spade hands. M. Cal. T3P, rhodium-plated.fausses côtes and oeil-de-perdrix decoration, 20 jewels, lateral lever escapement with one-minute tourbillon regulator, tourbillon.carriage of the type designed by Ernest Guinand, monometallic balance adjusted to 6 positions, shock absorber, self-compensating.Breguet balance spring..Dial, case and movement signed..Diam.36 mm. Thickness 10 mm..Property of Various Owners