Pre-owned Omega Seamaster Planet Ocean 600M ref 215.30.46.51.99.001 (2024). First introduced in 2019, this 45.5mm stainless steel model features a textured, ceramicized titanium dial that reduces glare while adding depth, with a dual-register layout that stacks both a 12-hour and 60-minute totalizer at 3 o’clock, along with a running small seconds and a discreet date display. Orange ceramic accents on the pushers and the unidirectional bezel inject bold color without overpowering the design. Rated to 600 meters and equipped with a helium escape valve, this is one of the most capable watches in Omega’s arsenal. Powering it all is the METAS-certified Master Chronometer caliber 9900, featuring superior anti-magnetic performance, a column-wheel chronograph, and a 60-hour power reserve. Paired with a brushed steel bracelet and Omega’s patented clasp system, it’s a watch box must-have for any serious collector. Shop OMEGA Seamaster Collection