The column-wheel mechanism serves to perfect the chronograph’s performance. A free-sprung balance further improves this COSC-certified chronometer. The Co-Axial escapement, proprietary Omega technology, considerably reduces friction in the heart of the watch mechanism and offers improved long-term reliability and accuracy. Rue to the Seamaster’s roots, the Calibre 3313 high-quality self-winding mechanical movement with a power reserve of 52 hours drives the Planet Ocean Chronograph.
Precise dive times, even when descending to the darkest depths of the ocean. Along with the luminous dot on the bezel, the high visibility of the markers and hands are invaluable for measuring The facetted rhodium-plated arrowhead hour and minute hands have SuperLuminova inserts and a highly visible orange tip further enhances the luminous arrowhead seconds hand. The matt black dial offers excellent contrast thanks to applied luminous hour markers and the use of Arabic numerals in orange at 12, 3, 6 and 9 o’clock. The date window is positioned between 4 and 5 o’clock. The chronograph push-buttons, made of steel and decorated with a colored aluminum ring, are functional to 600 metres/2000 feet while the domed scratch-resistant sapphire crystal has received an anti-reflective treatment on both sides for optimum clarity. This is a vital function when using a diving bell, as minuscule helium atoms are able to penetrate the case and could damage the watch when expansion occurs during decompression. Positioned at 10 o’clock and embossed with the chemical symbol for helium “He”, the helium escape valve allows any atoms of this gas to escape during decompression.
#Orange black omega seamaster professional
Other features that distinguish this as a professional diver’s instrument are the screw-in crown and screw-down case back, the helium escape valve, the fluted uni-directional rotating bezel featuring a luminous dot and The Seamaster Planet Ocean – Discontinued Modelīeyond the requisites of a professional diver’s watch (300 meters/1000 feet) this model is water resistant to 600 meters/2000 feet.
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