Fusing modern luxury with outstanding craftsmanship and functionality, this Omega Seamaster Planet Ocean 600m 18ct Sedna gold and stainless steel co-axial master chronometer chronograph men's watch goes above and beyond watchmaking expectations to create the ultimate diving tool. Fastened with an 18ct Sedna gold and stainless steel bracelet with a patented extendable folding clasp, the 45.5mm 18ct Sedna gold and stainless steel case features a blue unidirectional rotating diver's bezel. Domed and scratch-resistant sapphire crystal protects the blue ceramic dial with Arabic numeral and baton hour markers, a date window at 6 o'clock and two chronograph sub dials. Water resistant to 600m, this watch is powered by a self-winding chronograph movement with column wheel mechanism and co-axial escapement and a power reserve of 60 hours. Paying homage to the brands passion for the ocean, this impressive watch has passed eight rigorous tests to achieve its Master Chronometer status. O21520465103001