New Datejust 31 mm is fitted with dark grey, sunray-finish dial. The hands and index hour markers are in 18 ct white gold. The light reflections on the case sides and lugs highlight the elegant profile of the 31 mm Oyster case.
This new watch is equipped with calibre 2236, a movement at the forefront of watchmaking technology.
Like all Rolex watches, the Oyster Perpetual Datejust 31 carries the Superlative Chronometer certification, which ensures excellent performance on the wrist. The Superlative Chronometer status is symbolized by the green seal that comes with every Rolex watch and is coupled with an international five-year guarantee.
Case
Diameter
- 31 mm
Material
- Oystersteel and 18 ct white gold (white Rolesor)
Middle case
- Polished finish
Bezel
- Fluted
Waterproofness
- 100 metres (330 feet)
Movement
- Calibre 2236, Manufacture Rolex
- Mechanical movement with bidirectional self-winding via Perpetual rotor
Precision
- -2/+2 sec/day, after casing
Functions
- Centre hour, minute and seconds hands
- Instantaneous date at 3 o’clock with secure rapid-setting
Oscillator
- Syloxi hairspring in silicon with patented geometry
Power reserve
- Approximately 55 hours
Dial
- White lacquer
- Roman numerals in 18 ct white gold
- Hands in 18 ct white gold
Bracelet
- Oyster, solid links
- Oystersteel
- Folding Oysterclasp
- Easylink comfort extension link (approx. 5 mm)
Case reference 278274
Bracelet reference 72360