This Omega Seamaster Planet Ocean 600M ref. 215.20.46.51.03.001 combines luxury and professional dive functionality in a 45.5mm gold and stainless steel case. The bold blue ceramic dial features Arabic numerals, a date window at 6 o’clock, a small seconds sub-dial, and 60-minute and 12-hour chronograph counters, paired with a matching blue ceramic unidirectional bezel. Water-resistant to 600 meters with a helium escape valve, it is powered by the Master Chronometer calibre 9900, visible through the transparent caseback, and is finished with a gold and steel bracelet with an extendable foldover clasp for a secure and comfortable fit.