Brand: Greubel Forsey
Series: Double Tourbillon 30°
Model: invention-piece-1-wg-golden
Movement: manual winding
Case: White gold
Gender: men
Case size: 43.5 mm
Thickness: 16.64 mm
Dial Color: White
Bracelet: Crocodile leather strap
Clasp: folding clasp
Glass: Sapphire
Water resistance: Yes
Quality: Japanese AAA
Functions: hours, minutes, seconds, power reserve