Ulysse Nardin Marine Chronometer Torpilleur Watch42mm stainless steel case, transparent back, screw down security crown crown, scratch resistant sapphire crystal, blue dial, Caliber UN 118 self winding movement with hour and minute hands in the center, small seconds and round date window at 6 oclock, power reserve indicator at 12 oclock, approximately 60 hours of power reserve, blue leather strap, folding buckle. Water resistant to 50m.