45.5 mm, steel on steel

This model, with its scratch-resistant sapphire crystal, features a black ceramic dial
with Arabic numerals and a date window at the 6 o’clock position. The dial presents
a small seconds sub-dial, as well as 60-minute and 12-hour counters on one dial for
intuitive reading of elapsed time. The black ceramic unidirectional rotating divers’ bezel,
with its Liquidmetal™ diving scale, is mounted on a 45.5 mm stainless steel case.

Other features include an alveol screw-in caseback and a stainless steel bracelet
with patented extendable foldover clasp.

The OMEGA Seamaster Planet Ocean 600M Master Chronometer Chronograph is
water resistant to 60 bar (600 metres / 2000 feet), and has a helium-escape valve.
The OMEGA Master Chronometer calibre 9900 at the heart of this timepiece can be
seen through the transparent caseback. To achieve Master Chronometer status,
it has passed the 8 rigorous tests set by METAS (The Swiss Federal Institute of Metrology).

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