GMT Sport | Ref. 

Limitation: 11 pieces with monochromatic treatment and grey earth; 11 pieces with blue globe.

Case: 45 x 15.7 mm; titanium with interchangeable titanium and rubber crown with color-coded rubber capping; 100 m water resistance
Dial: three-dimensional variable geometry hour ring with luminescent hour and minute indices; GMT indicator with raised engraving; engraved and lacquered power reserve indicator; tourbillon rotation indicator in gold; rotating titanium globe with fixed day-and-night UTC indicator in synthetic sapphire, engraved and lacquered.
Hands: polished steel curved hours and minutes with Super-LumiNova; red triangle for GMT; rotating disc and red triangle for seconds; power reserve hand in steel; aluminum 24-seconds indicator for tourbillon, double-tipped with black treatment
Movement: Manual winding movement with 24-second, 25-degree inclined tourbillon; 3 Hz/21,600 vph frequency; 72-hour power reserve
Functions: hours, minutes, seconds; second time zone, rotating globe with universal day and night, universal time (on reverse) of 24 time zones including summer and winter time, power reserve.

WATCH SPECIFICATIONS

Brand: Greubel Forsey
Ref.  
Collection:
Case Material: Titanium
Movement: Hand-wound
Case shape: Round
Bracelet: Rubber with titanium folding clasp
Crystal: Scratch resistant sapphire
Diameter: 45mm
Thickness: 15.7mm
Water Resistance: 100m
Power Reserve: 72 hour