OMEGA Seamaster Planet Ocean 600m Co Axial 43.5mm 21530442101002 This OMEGA Seamaster Planet Ocean pays homage to the maritime history of which OMEGA has a strong bond. The 43.5mm stainless steel case has a black ceramic dial with orange arabic numerals at 6, 9 and 12 with a date window at 3 o'clock.The black ceramic and orange rubber bezel features a a Liquidmetal diving scale. This Planet Ocean is equipped with a coaxial Calibre 8900 movement which is visible through the transparent case back. This is a METAS approved movement and resistant to 15,000 gauss. Waterproof to 600 metres the watch has a helium escape valve which sits on the case at the 10 o'clock position perfect for any diving activities. Presented on a brushed finish stainless steel bracelet with a fold over extendable clasp.