Description

Watch Features Oystersteel Rolex uses Oystersteel for its steel watch cases. Specially developed by the brand, Oystersteel belongs to the 904L steel family, alloys most commonly used in high-technology and in the aerospace and chemical industries, where maximum resistance to corrosion is essential. Oystersteel is extremely resistant, offers an exceptional finish once polished and maintains its beauty even in the harshest environments. Black Dial The dial is the distinctive face of a Rolex watch, the feature most responsible for its identity and readability. Characterised by hour markers fashioned from 18 ct gold to prevent tarnishing, every Rolex dial is designed and manufactured in-house, largely by hand to ensure perfection. The Oyster bracelet The Oyster bracelet is a perfect alchemy of form and function, aesthetics and technology, designed to be both robust and comfortable. It is equipped with an Oysterlock clasp, which prevents accidental opening, and an ingenious Glidelock, allowing fine adjustments of the bracelet without using any tools - and allowing it to be worn and comfortably over a diving suit. 3130 Movement This model is equipped with calibre 3130, a self-winding mechanical movement entirely developed and manufactured by Rolex. Like all Rolex Perpetual movements, the 3130 is a certified Swiss chronometer, a designation reserved for high-precision watches that have successfully passed the Swiss Official Chronometer Testing Institute (COSC) tests. It is fitted with a Parachrom hairspring, offering greater resistance to shocks and to temperature variations. Its architecture, in common with all Oyster watch movements, makes it singularly reliable. Unidirectional Rotatable Bezel The Submariner's rotatable bezel is a key functionality of the watch. Its engraved 60-minute graduations allow a diver to accurately and safely monitor diving time and decompression stops. Manufactured by Rolex from a hard, corrosion-resistant ceramic, the Cerachrom bezel insert is virtually scratchproof. A luminescent capsule on the zero marker ensures legibility, no matter how dark the environment. The bezel’s knurled edge is carefully designed to offer excellent grip under water, even with gloves. Specifications Model case Model case Oyster, 40 mm, Oystersteel Oyster architecture Monobloc middle case, screw-down case back and winding crown Diameter 40 mm Material Oystersteel Bezel Unidirectional rotatable 60-minute graduated, scratch-resistant Cerachrom insert in ceramic, numerals and graduations coated in platinum Winding crown Screw-down, Triplock triple waterproofness system Crystal Scratch-resistant sapphire Water-resistance Waterproof to 300 metres / 1,000 feet Movement Movement Perpetual, mechanical, self-winding Calibre 3130, Manufacture Rolex Precision -2/+2 sec/day, after casing Functions Centre hour, minute and seconds hands. Stop-seconds for precise time setting Oscillator Paramagnetic blue Parachrom hairspring Winding Bidirectional self-winding via Perpetual rotor Power reserve Approximately 48 hours Bracelet Bracelet Oyster, flat three-piece links Bracelet material Oystersteel Clasp Folding Oysterlock safety clasp with Rolex Glidelock extension system Dial Dial Black Details Highly legible Chromalight display with long-lasting blue luminescence

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