The Oyster Perpetual Day-Date 40 in 18 ct yellow gold with a silver dial, diamond-set bezel and a President bracelet.
The Day-Date was the first watch to indicate the day of the week spelt out in full when it was first presented in 1956.
Diamond-Set Bezel
A sparkling symphony
Gem-setters, like sculptors, finely carve the precious metal to hand-shape the seat in which each gemstone will be perfectly lodged. With the art and craft of a jeweller, the stone is placed and meticulously aligned with the others, then firmly secured in its gold or platinum setting.
Model features
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Silver Dial A watchmaking technique Read more -
18 ct yellow gold Commitment to excellence Read more -
The President bracelet The ultimate refinement Read more -
Day Display Instantaneous at midnight Read more -
The Cyclops lens A magnifying lens Read more -
3255 Movement Superlative performance Read more
More Day-Date
Technical Details
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Reference 228398TBR
Model Case
- Model Case
- Oyster, 40 mm, yellow gold and diamonds
- Oyster Architecture
- Monobloc middle case, screw-down case back and winding crown
- Diameter
- 40 mm
- Material
- 18 ct yellow gold
- Bezel
- Set with diamonds
- 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
- 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, unrestricted rapid-setting. Stop-seconds for precise 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
- Bracelet
- President, semi-circular three-piece links
- Bracelet Material
- 18 ct yellow gold
- Clasp
- Concealed folding Crownclasp
Dial
- Dial
- Silver
Certification
- Certification
- Superlative Chronometer (COSC + Rolex certification after casing)
Contact an Official Rolex Retailer
The Rolex Collection features both Classic and Professional watches available in a variety of materials, dials, bracelets and sizes to suit all wrists and styles.
