Brand: Greubel Forsey
Series: GMT
Model: Greubel Forsey GMT Quadruple Tourbillon
Movement: Hand winding
Case: Titanium
Gender: men
Case size: 45.50 mm
Thickness: 17.45 mm
Dial Color: Grey,Black
Bracelet: Rubber or hand-sewn alligator strap
Clasp: folding
Glass: Sapphire
Water resistance: Yes
Quality: Japanese AAA
Functions: Hours, minutes, seconds, GMT, world time, day and night indicator, and quadruple tourbillons