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Omega's professional diver since 2005: 600 m, a broad unidirectional bezel, arrow hands and a helium valve, built around the Co-Axial calibres and since 2016 certified as a Master Chronometer. It is larger and deeper than the Diver 300M and the Seamaster most people picture when they think of a modern Omega dive watch.
Every Planet Ocean on Dialist is listed by a verified dealer and covered by buyer protection. The 43.5 mm is the standard size; the 39.5 mm suits smaller wrists and the 45.5 mm carries the chronographs.
The 2005 original (2201.50 at 42 mm, 2200.50 at 45.5 mm, 2901 and 2900 on rubber) ran the Co-Axial calibre 2500 behind an aluminium bezel, with an orange option (2209 and 2208) that became the line's signature. Casino Royale put the 45.5 on Daniel Craig's wrist in 2006.
The 2011 generation (232.) brought the in-house calibre 8500, a ceramic bezel and a display back, in 42 and 45.5 mm. In 2016 the 215. references made it a Master Chronometer: calibre 8900, 43.5 and 39.5 mm cases, ceramic dials on some, and the all-ceramic Deep Black GMT. The Ultra Deep of 2022, rated to 6,000 m, followed Omega's 2019 record dive to the bottom of the Mariana Trench.
Sizes
43.5 mm is the standard three-hander; 39.5 mm the same watch for smaller wrists; 45.5 mm the chronograph, the Deep Black and the Ultra Deep. All are tall: about 16 mm on the 43.5, 18 on the Ultra Deep.
Movements
Calibre 8900 (Master Chronometer) in the 43.5 and 8800 in the 39.5 since 2016, 8500 on the 2011–2016 watches, 2500 Co-Axial on the first generation. Chronographs use the 9900 and 9300; the GMT the 8906.
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Materials
Steel for most; titanium on the Ultra Deep and a few 43.5s; Sedna gold and two-tone on the dressier references; the Deep Black is a one-piece ceramic case. Ceramic bezels on everything since 2011.
Dials and bezels
Black and blue with orange accents are the classics; the orange bezel is the one collectors ask for. Ceramic dials on the Master Chronometer generation; Liquidmetal or rubber bezel scales on the Deep Black.
Weight
A 45.5 mm steel Planet Ocean on the bracelet is among the heaviest Omegas; try the rubber strap or the titanium if that matters.
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