Omega
Seamaster Planet Ocean 600M Chronograph Master Chronometer
215.30.46.51.01.001
A 45.5 mm chronograph built to Master Chronometer standards at 600 m depth.
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Overview
The Omega Seamaster Planet Ocean 600M Chronograph Master Chronometer (ref. 215.30.46.51.01.001) pairs a bold 45.5 mm stainless steel case with a black dial and a column-wheel chronograph movement certified to the stringent Master Chronometer standard. Introduced in 2016, it represents the convergence of Omega's professional dive heritage and its most rigorous in-house movement certification. The result is a tool watch of considerable technical ambition, equally at home on the wrist of a diver or a collector.
History
The Planet Ocean line was established to carry Omega's serious dive-watch credentials into the modern era, building on the broader Seamaster legacy that dates to 1948. The 600M Chronograph gained the Master Chronometer designation when Omega rolled out its Co-Axial escapement-equipped calibres through METAS certification in the mid-2010s. Calibre 9900, which powers this reference, was among the first chronograph movements to achieve that certification, marking a significant milestone for in-house Omega watchmaking. The reference 215.30.46.51.01.001 has remained in production since its 2016 introduction, cementing its place as a flagship in the Planet Ocean chronograph family.
Notable points
- Calibre 9900 is a Co-Axial Master Chronometer movement certified by METAS to resist magnetic fields exceeding 15,000 gauss.
- The 45.5 mm stainless steel case is rated to 600 metres of water resistance, underscoring its professional dive-watch credentials.
- A black dial provides strong contrast against the chronograph subdials and applied indices, enhancing legibility at depth.
- The column-wheel and vertical clutch architecture of Cal. 9900 delivers smooth chronograph engagement and precise elapsed-time measurement.
- Master Chronometer certification requires passing eight tests conducted by METAS, going beyond the traditional COSC chronometer standard.
Specifications
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