The IWC Aquatimer Automatic 2000 Edition "35 years Ocean 2000" (IW329101) is a limited edition of 350 pieces celebrating 35 years of the Ocean 2000. Features a 42mm titanium case with 2000-meter water resistance, the thinnest IWC diver's watch at 14.5mm. Unique SafeDive system with screw-down crown at 9 o'clock operating the internal rotating bezel. Powered by Caliber 30120 automatic movement with 42-hour power reserve. Black dial with luminous hands and indices, red "2000 m" text. Solid titanium caseback engraved with vintage diving helmet. Black rubber strap with quick-change system and titanium pin buckle.