Day-Date | 228235
Product details
The Rolex fluted bezel is a signature mark of distinction, originally designed for functionality to ensure waterproofness, now a symbol of elegance. Featured in gold on the Day-Date 40, it highlights the brand’s timeless craftsmanship. The sunray dial finish adds a subtle glow with delicate light reflections, while the exclusive 18kt Everose gold, patented by Rolex, enhances the watch’s beauty and durability. Paired with the refined President bracelet, introduced in 1956, this timepiece embodies the perfect blend of precision, comfort, and luxurious design.
- Reference 228235
- Model case: Oyster, 40 mm, Everose gold
- Diameter: 40 mm
- Material: 18 kt Everose gold
- Bracelet: President, semi-circular three-piece links
| Model case |
Oyster, 40 mm, Everose gold |
|---|---|
| Oyster architecture |
Monobloc middle case, screw-down case back and winding crown |
| Diameter |
40 mm |
| 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 Everose gold |
| Clasp |
Concealed folding Crownclasp |
| Dial |
Chocolate |
| Details |
Highly legible Chromalight display with long-lasting blue luminescence |
Description
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.
A watchmaking technique
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.
Light is diffused consistently along each engraving, creating a characteristic subtle glow that moves depending on the position of the wrist. Once the sunray finish has been completed, the dial colour is applied using Physical Vapour Deposition or electroplating. A light coat of varnish gives the dial its final look.
An exclusive patent
To preserve the beauty of its pink gold watches, Rolex created and patented an exclusive 18 kt pink gold alloy cast in its own foundry: Everose gold.
Introduced in 2005, 18 kt Everose is used on all Rolex Oyster models in pink gold.
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.
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