Ulysse Nardin Marine Chronograph Watch Colt has a Red Gold/Titanium 50

has a Red Gold/Titanium 50 mm Tonneau (Rectangle) Case with Screw Down Crown and a

self-winding movement with hours

inverted concave unidirectional rotating bezel

8 mm by 7 mm thick 18K white gold with rhodium finish case set with diamonds

steel ardillon buckle

Ulysse Nardin Marine Chronograph Watch Colt has a Red Gold/Titanium 5043mm stainless steel case, screw down security crown crown, sapphire crystal, blue dial, Caliber UN 153 Self winding movement with 30 minutes, 12 hours and small seconds registers, annual calendar backward forward setting with months counter at 9 o'clock, date, leather strap, folding buckle. Water resistant to 100m.