The Greubel Forsey 25° Inclined 24 Seconds Tourbillon Dual Time Zone Platinum (ref. GMT) is a men's watch with a 43.5 mm round case in platinum. It has a grey and silver dial under sapphire crystal.
It is powered by a hand-wound mechanical movement with a power reserve of up to 72 hours. Functions: Power reserve indicator, tourbillon, second time zone. Water-resistant to 30 m. The watch is fitted with an alligator leather strap with a folding clasp in platinum.
This example is in mint condition, and comes with the original box and papers.