Rolex Datejust 31 Oyster, 31 mm, Oystersteel and yellow gold m278243-0002
| Reference | 278243 |
| Material | Yellow Rolesor - combination of Oystersteel and yellow gold |
| Diameter | 31 mm |
| Movement | Perpetual, mechanical, self-winding |
| Dial | White |
| Power Reserve | Approximately 55 hours |
| Model Case | Oyster, 31 mm, Oystersteel and yellow gold |
| Oyster Architecture | Monobloc middle case, screw-down case back and winding crown |
| Bezel | Domed |
| Winding crown | Screw-down, Twinlock double waterproofness system |
| Crystal | Scratch-resistant sapphire, Cyclops lens over the date |
| Water resistance | Waterproof to 100 metres / 330 feet |
| Calibre | 2236, Manufacture Rolex |
| Oscillator | Syloxi hairspring in silicon with patented geometry. High-performance Paraflex shock absorbers |
| Winding | Bidirectional self-winding via Perpetual rotor |
| Bracelet | Jubilee, five-piece links |
| Bracelet Material | Yellow Rolesor - combination of Oystersteel and yellow gold |
| Clasp | Concealed folding Crownclasp |
| Certification | Superlative Chronometer (COSC + Rolex certification after casing) |
| STYLE | Women |
White dial
Lacquer combines almost limitless freedom of colour with intensity and a smooth finish. The lacquering technique consists of successively depositing six thin layers of lacquer on a brass base plate. A colourless varnish is then applied to give the colour or shade all of its depth and shine. Once the varnish is dry, the surface of the dial is polished to magnify the colour; the dial is then ready to be pad printed and receive its appliques.Yellow Rolesor
Gold is coveted for its lustre and nobility. Steel reinforces strength and reliability. Together, they harmoniously combine the best of their properties. A true Rolex signature, Rolesor has featured on Rolex models since the early 1930s, and was trademarked as a name in 1933. It is one of the prominent pillars of the Oyster collection.The Jubilee bracelet
The design, development and production of Rolex bracelets and clasps, as well as the stringent tests they face, involve advanced high technology. And, as with all the components of the watch, aesthetic controls by the human eye guarantee impeccable beauty. The Jubilee, a supple and comfortable five-piece link metal bracelet, was designed and made especially for the launch of the Oyster Perpetual Datejust in 1945.
Model Availability
Any day can leave a lasting mark on our lives and set the stage for new aspirations. Since its creation in 1945, the Datejust has continued to reinvent itself while symbolizing Rolex’s definition of classic elegance. A milestone in watchmaking history, it was the first selfwinding waterproof chronometer wristwatch to feature a window displaying the date. Magnified by the Cyclops lens, these numbers are a reminder that though 24 hours mark a day, it’s on us to make those a date to remember.
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