The Rolex Day-Date 40 reference 228348RBR embodies prestige and technical excellence in 18 kt yellow gold. Housed in the iconic 40 mm Oyster case, this timepiece features a diamond-set bezel that enhances its commanding presence. The bright black dial offers exceptional legibility with Chromalight display, delivering long-lasting blue luminescence.
Powered by the Manufacture Rolex Calibre 3255, this perpetual, mechanical, self-winding movement ensures exceptional precision of -2/+2 seconds per day after casing. It features instantaneous day and date displays with secure, rapid-setting and stop-seconds for precise time adjustment. The watch is fitted with the distinguished President bracelet in 18 kt yellow gold, complete with a concealed folding Crownclasp for seamless elegance.
Specifications:
Reference: 228348RBR
Collection: Day-Date 40
Case: Oyster, 40 mm, yellow gold and diamonds
Oyster Architecture: Monobloc middle case, screw-down case back and winding crown
Diameter: 40 mm
Material: 18 kt yellow gold
Bezel: Set with diamonds
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
Bracelet Material: 18 kt yellow gold
Clasp: Concealed folding Crownclasp
Dial: Bright black
Details: Highly legible Chromalight display with long-lasting blue luminescence
