Omega
Seamaster Planet Ocean 600M GMT Master Chronometer
215.30.44.22.01.001
Deep-diving GMT precision, certified to the highest chronometric standard.
An estimate from current market data — not an offer. Your actual value depends on condition, completeness, and authentication.
Get an instant offerFree insured shipping. Paid within 48 hours of inspection.
Overview
The Omega Seamaster Planet Ocean 600M GMT Master Chronometer (ref. 215.30.44.22.01.001) is a 43.5 mm stainless steel diver's watch that adds a second time-zone complication to the celebrated Planet Ocean line. Its black dial and robust case are engineered to withstand depths to 600 metres, while the Master Chronometer certification places it among the most rigorously tested mechanical watches in production. The combination of professional dive capability and GMT functionality makes it a versatile instrument for both serious divers and well-travelled collectors.
History
The Planet Ocean collection was introduced in the mid-2000s as Omega's answer to a modern, high-specification professional diver, drawing on the brand's long association with underwater exploration. This GMT variant, carrying Calibre 8906, entered the line in 2016 and brought with it the then-newly established Master Chronometer standard — a certification jointly administered by Omega and METAS (the Swiss Federal Institute of Metrology) that tests for accuracy, magnetic resistance, and water resistance under real-world conditions. The reference has remained in production, reflecting sustained collector and professional interest in a diver that genuinely doubles as a travel watch.
Notable points
- Calibre 8906 is a Co-Axial Master Chronometer movement, certified by METAS to resist magnetic fields exceeding 15,000 gauss.
- The 600-metre water-resistance rating is achieved through a helium escape valve and a screw-in crown, meeting the demands of professional saturation diving.
- A ceramic bezel insert with a 24-hour GMT scale distinguishes this variant from the standard Planet Ocean diver.
- The black dial pairs applied luminous indices with a colour-coded GMT hand, allowing rapid time-zone reading in low-visibility conditions.
- At 43.5 mm, the case occupies a commanding but wearable position within Omega's professional sports watch range.
Specifications
Related watches
