The Rolex Datejust 31 (Reference 278275) combines elegance and precision in a 31 mm Everose gold case with a fluted bezel and a rosé-coloured dial. Equipped with the Calibre 2236 self-winding movement, it offers reliable timekeeping, a 55-hour power reserve, and enduring comfort with the President bracelet. The Twinlock screw-down crown ensures water resistance up to 100 metres, making it both sophisticated and practical.
Specifications:
Gender: Women’s
Brand: Rolex
Collection: Datejust 31
Reference: 278275
Movement Type: Perpetual, mechanical, self-winding
Caliber: 2236, Manufacture Rolex
Precision: -2/+2 sec/day (after casing)
Power Reserve: Approximately 55 hours
Functions: Centre hour, minute and seconds hands; instantaneous date with rapid setting; stop-seconds for precise time setting
Dial Color: Rosé
Bezel: Fluted
Case Shape: Round
Case Material: 18 kt Everose gold
Case Architecture: Monobloc middle case, screw-down case back and winding crown
Crystal: Scratch-resistant sapphire, Cyclops lens over the date
Winding Crown: Screw-down, Twinlock double waterproofness system
Diameter: 31 mm
Water Resistance: 100 metres / 330 feet
Oscillator: Syloxi hairspring in silicon with patented geometry; high-performance Paraflex shock absorbers
Winding Mechanism: Bidirectional self-winding via Perpetual rotor
Bracelet: President, semi-circular three-piece links
Bracelet Material: 18 kt Everose gold
Clasp: Concealed folding Crownclasp
