Day-Date 40 Oyster, 40 mm, yellow gold

Reference 228238
199.00
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          Description

          Ideal accomplishments

          The Oyster Perpetual Day-Date 40 in 18 kt yellow gold with an onyx, diamond-set dial, fluted bezel and a President bracelet.

           

          Onyx dial

          Miniature work of art

          Each dial is a miniature work of art. The colour, reflections and surface texture, along with decorative elements and the overall design give the watch its intrinsic character.

          Rolex masters all aspects of its dial creation and production in-house. From the initial sketches to the final inspection, including colouring or the application of appliques, the process involves a series of steps and operations that call on specific expertise. Some of these professions – enamelling, for instance – date from the early days of watchmaking. Others are inherent to the use of cutting-edge technologies, such as magnetron sputtering, a complex technique for colouring the surface of a dial by depositing a thin film of material in a vacuum environment. A meeting of traditional skills and technology, the manufacture of Rolex dials perfectly encapsulates the philosophy that guides the brand: seeking the highest level of quality to achieve an impeccable, long-lasting result.

           

          Fluted bezel

          A Rolex signature

          The Rolex fluted bezel is a mark of distinction. Originally, the fluting of the Oyster bezel had a functional purpose: it served to screw the bezel onto the case helping to ensure the waterproofness of the watch.

          It was therefore identical to the fluting on the case back, which was also screwed onto the case for waterproofness, using specific Rolex tools. Over time, the fluting became an aesthetic element, a genuine Rolex signature feature. Today the fluted bezel is a mark of distinction, in gold on this Day-Date 40.

           

          18 kt yellow gold

          Commitment to excellence

          By operating its own exclusive foundry, Rolex has the unrivalled ability to cast the highest quality 18 kt gold alloys. According to the proportion of silver, copper, platinum or palladium added, different types of 18 kt gold are obtained: yellow, pink or white.

          They are made with only the purest metals and meticulously inspected in an in-house laboratory with state-of-the-art equipment, before the gold is formed and shaped with the same painstaking attention to quality. Rolex's commitment to excellence begins at the source.

           

          The President bracelet

          The ultimate refinement

          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 President bracelet, with its semi-circular three piece links, was created in 1956 for the launch of the Oyster Perpetual Day-Date. It represents the ultimate in refinement and comfort and is always made of carefully selected precious metals.

            • Model case

              Oyster, 40 mm, yellow gold

            • Oyster architecture

              Monobloc middle case, screw-down case back and winding crown

            • Diameter

              40 mm

            • Material

              18 kt yellow gold

            • Bezel

              Fluted

            • 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

            • Movement

              Perpetual, mechanical, self-winding

            • Calibre

              3255, Manufacture Rolex

            • Precision

              -2/+2 sec/day, after casing

            • Functions

              Centre hour, minute and seconds hands. Instantaneous day and date in apertures, secure rapid-setting. Stop-seconds for exact time setting

            • Oscillator

              Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers

            • Winding

              Bidirectional self-winding via Perpetual rotor

            • Power reserve

              Approximately 70 hours

            • Bracelet

              President, semi-circular three-piece links

            • Material

              18 kt yellow gold

            • Clasp

              Concealed folding Crownclasp

            • Dial

              Onyx set with diamonds

            • Gem settings

              10 baguette-cut diamonds

            • Certification

              Superlative Chronometer (COSC + Rolex certification after casing)