In 2005, OMEGA released the timeless Planet Ocean line in homage to their long-established seafaring legacy. The sleek OMEGA Seamaster Planet Ocean 600M co-axial master chronometer GMT 43.5mm watch honours their renowned dive watch heritage.

This Seamaster Planet Ocean 600M model boasts a scratch-resistant sapphire crystal, a black ceramic dial with Arabic numerals, a date window at 3 oclock, and a central GMT hand. It is mounted on a 43.5 mm stainless steel case, featuring the world's first polished bi-ceramic black and white bezel, where day and night are separated through contrasting numerals and scaling. Additionally, it is outfitted with an alveol screw-in caseback and a stainless steel bracelet with patent-pending extendable foldover clasp.

The renowned OMEGA Seamaster Planet Ocean 600M Master Chronometer GMT offers a sophisticated defense against water with its 60 bar (600 meters/2000 feet) water resistance and helium-escape valve, and houses the esteemed METAS-approved OMEGA Master Chronometer Calibre 8906 within its transparent case-back.