

DAY DATE 40
- Model Case
- Oyster, 40 mm, Everose gold
- Oyster Architecture
- Monobloc middle case, screw-down case back and winding crown
- Diameter
- 40 mm
- Material
- 18 ct Everose 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, 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
- President, semi-circular three-piece links
- Bracelet Material
- 18 ct Everose gold
- Clasp
- Concealed folding Crownclasp
- Dial
- Olive green
Superlative Chronometer (COSC + Rolex certification after casing)