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Datejust 31 - 278240 Index Domed Green Jubilee
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About The Product
The sunray finish creates delicate light reflections on many dials in the Oyster Perpetual collection. It is obtained using masterful brushing techniques that create grooves running outwards from the centre of the dial. 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.
Gender | Woman |
Brand | Rolex |
Model No. | 278240 |
Movement | Perpetual, mechanical, self-winding |
Calibre | 2236, Manufacture Rolex |
Power reserve | Approximately 55 hours |
Precision | -2/+2 sec/day, after casing |
Case diameter | 31 mm |
Dial | Mint green-Highly legible Chromalight display with long-lasting blue luminescence |
Bezel | Domed |
Glass Material | Scratch-resistant sapphire, Cyclops lens over the date |
Case Material | Oyster, 31 mm, Oystersteel |
Water Resistant | Waterproof to 100 metres / 330 feet |
Bracelet material | Oystersteel |
Clasp | Folding Oysterclasp with Easylink 5 mm comfort extension link |
Winding Crown | Screw-down, Twinlock double waterproofness system |
Winding | Bidirectional self-winding via Perpetual rotor |
Functions | Centre hour, minute and seconds hands. Instantaneous date with rapid setting. Stop-seconds for precise time setting |
Oscillator | Syloxi hairspring in silicon with patented geometry. High-performance Paraflex shock absorbers |
Oyster Architecture | Monobloc middle case, screw-down case back and winding crown |
Condition | BNIB (Brand New In Box) |
What's Inside Box | 1x Rolex Datejust 31 - 278240 Index Domed Oystersteel Dial Mint-green Bracelets Jubilee, five-piece links |