43.5 mm platinum case, transparent back, self-locking crown, black ceramic bi-directional rotating bezel, sapphire crystal with anti-reflective treatment on both sides, black dial set with bi-directional 24-hour GMT rotating bezel, caliber 8615 self-winding movement with date, approximately 60 hours of power reserve, black leather strap. Water resistant to 600 m (2000 ft).