Omega Seamaster Planet Ocean 600m Chronograph (ref. 21530465199001) with a 45.5mm Stainless Steel case, featuring a sapphire crystal, unidirectional rotating bezel with orange ceramic insert, Chrono pushers at 2 and 4 o'clock, Helium escape valve at 10, screw-down crown at 3, and a screw-down caseback with sapphire display window.

The gray dial features polished hands and hour markers with luminous accents, an active seconds subdial at 9 o'clock, a chronograph subdial at 3 with minute and hour hands, and a date window at 6.

Powered by the Omega 9900 Caliber automatic chronograph movement with a 60 hour power reserve.

The brushed steel bracelet is equipped with an extendable foldover clasp and diver extension.

This pre-owned watch is in excellent condition with Box and Papers.