18 ct gold
By operating its own exclusive foundry, Rolex has the unrivalled ability to cast the highest quality 18 ct gold alloys. According to the proportion of silver, copper, platinum or palladium added, different types of 18 ct 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.
Silver 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.
A Leather Strap
The straps of the new Day-Date combine the comfort and nobility of alligator leather with the convenience of a new 18 ct gold Crownclasp buckle. This folding clasp is effortless to use and allows the length of the strap to be easily adjusted using the buckle.
3155 Movement
The Day-Date 36 is equipped with calibre 3155, a self-winding mechanical movement entirely developed and manufactured by Rolex. It features a day and date calendar disc mechanism. Like all Rolex Perpetual movements, the 3155 is a certified Swiss chronometer, a designation reserved for high-precision watches that have successfully passed the Swiss Official Chronometer Testing Institute (COSC) tests. Its architecture, in common with all Oyster watch movements, makes it singularly reliable.
Monday, Lundi
Initially presented in 1956, the Day-Date was a world first. The first watch to indicate the day of the week spelt out in full. Worn by many world leaders, the Day-Date is available with a bespoke day display in a wide choice of languages.
Specifications
- Model case
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Model caseOyster, 36 mm, white gold
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Oyster architectureMonobloc middle case, screw-down case back and winding crown
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Diameter36 mm
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Material18 ct white gold
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BezelFluted
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Winding crownScrew-down, Twinlock double waterproofness system
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CrystalScratch-resistant sapphire, Cyclops lens over the date
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Water-resistanceWaterproof to 100 metres / 330 feet
- Movement
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MovementPerpetual, mechanical, self-winding
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Calibre3155, Manufacture Rolex
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Precision-2/+2 sec/day, after casing
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FunctionsCentre hour, minute and seconds hands. Instantaneous date and day in windows on the dial with rapid setting. Stop seconds for precise time setting
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OscillatorParamagnetic blue Parachrom hairspring
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WindingBidirectional self-winding via Perpetual rotor
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Power reserveApproximately 48 hours
- Bracelet
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BraceletLeather strap
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Bracelet materialBlue leather
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ClaspFolding Oysterclasp
- Dial
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DialSilver set with diamonds
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Gem-settingDiamonds in 18 ct gold settings and baguette-cut diamonds at 6 and 9 o'clock
- Certification
- Superlative Chronometer (COSC + Rolex certification after casing)
