Omega Seamaster Planet Ocean 600M ref. 222.18.46.20.01.001 (2013). This 45.5mm stainless steel dive watch combines OMEGA’s maritime heritage with modern sophistication. It features a black dial with a date window at 3 o’clock, a diamond-set unidirectional rotating bezel, and a black leather strap. Water resistant to 600 meters and equipped with a helium-escape valve, it is powered by the Co-Axial Caliber 2500, a certified chronometer that delivers precision and reliability—perfect for serious divers and watch enthusiasts alike.