Brand: Greubel Forsey
Series: Quadruple tourbillon
Ref.: Grande Sonnerie Ti Black Dial
Movement: manual winding
Case: Titanium
Case size: 43.5 mm
Thickness: 16.13 mm
Dial Color: black
Gender: men
Bracelet: Crocodile leather strap
Clasp: folding
Glass: Sapphire
Water resistance: Yes
Quality: Japanese AAA
Functions: hours, minutes, seconds, power reserve, combat gear range, repeater modes,