Seamaster Planet Ocean 600MTOmega's Planet Ocean line was launched in 2005, inspired by the brand's rich maritime history. The OMEGA Seamaster Planet Ocean 600M Master Chronometer, exquisitely crafted with scratch resistant sapphire crystal and a sand blasted titanium dial, pays homage to the brand's iconic dive watches. This model, featuring Arabic numerals and a date window, boasts a 43. 5 mm titanium case and a world renowned grey silicon nitride ceramic bezel with