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Details & Specifications



It was with OMEGA’s maritime legacy in mind that the brand launched its Planet Ocean line in 2005. Today, the stylish OMEGA Seamaster Planet Ocean 600M Master Chronometer pays homage to OMEGA’s dive watch heritage.

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. Mounted on the 45.5 mm stainless steel case, is the world's premiere black ceramic bezel with orange rubber. The diving scale of the bezel is crafted with Liquidmetal™.

Other features include an alveol screw-in caseback and a black structured rubber strap with orange stitching and lining.

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).

This piece presents with a full set in very good condition.


Type Self-winding chronograph with column wheel and CoAxial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Silicon balance-spring, 2 barrels mounted in series, time zone function. Central hour, minute and chronograph seconds hands, small seconds hand, 12-hour and 60-minute recorders. Rhodium plated finish with Geneva waves in arabesque.
Omega 9900
Power Reserve (h) 60 h
Chronograph, chronometer, date, helium escape valve, screw-in crown, small seconds, transparent caseback, unidirectional rotating bezel
Case Material Stainless steel

Case Diameter

Case Thickness

45.50 mm

18.9 mm

Water Resistance 600 m / 2000 feet
Bezel Unidirectional rotating bezel
Crystal  Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
Dial Colour Black
Dial Indicators Indicators
Strap Material Rubber Strap 
Clasp Stainless steel deployment clasp
Lug-width  22 mm

Enquire about Omega PLANET OCEAN 600M CO‑AXIAL CHRONOGRAPH (2017) -