The Rolex Datejust 31 (Reference 278288RBR) combines elegance and precision in a 31 mm case crafted from 18 kt yellow gold with a diamond-set bezel. Its champagne-coloured dial enhances the luxurious appeal, while the Manufacture Rolex Calibre 2236 provides reliable self-winding performance with a 55-hour power reserve. The watch features a President bracelet with a concealed Crownclasp and is waterproof to 100 meters, embodying classic Rolex craftsmanship.
Specifications:
Gender: Women’s
Brand: Rolex
Collection: Datejust 31
Reference: 278288RBR
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: Champagne-colour
Bezel: Set with diamonds
Display Details: Highly legible Chromalight display with long-lasting blue luminescence
Case Shape: Round
Case Material: 18 kt yellow 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
Dimension: 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 yellow gold
Clasp: Concealed folding Crownclasp
