Secret - Greubel Forsey
Quadruple Tourbillon
Greubel Forsey
Watch characteristics
Case
43.50mm
Red gold
Water resistance: 30.00m
Movement
Manual-winding mechanical
Power reserve: 50H
Frequency: 21600 Alt/H
Dial
Black
Bracelet/Strap
Leather
Folding buckle
Functions and complications
Hours
Minutes
Power reserve indicator
Seconds
Tourbillon