The Rolex Day Date 228238 ONBDP features 40mm 18K yellow gold case, screw-down back, screw-down crown with twinlock double waterproofness system, fluted bezel, scratch-resistant sapphire crystal with cyclops lens over the date, onyx dial, 10 baguette-cut hour markers, Rolex calibre 3255 perpetual self-winding movement with centre hour, minute and seconds hands, instantaneous day and date in apertures, unrestricted rapid-setting, and stop-seconds for precise time setting, approximately 70 hours of power reserve, President bracelet with semi-circular three-piece links, concealed folding Crownclasp buckle. Waterproof to 100 metres / 330 feet.
WATCH SPECIFICATIONS:
Brand: Rolex
Collection: Day Date
Reference number: 228238 ONBDP
Case material: 18 karat Yellow gold
Case diameter: 40 mm
Case Shape: Round
Dial Color: Onyx Black
Dial Markers: Baguette Diamonds
Bezel material: 18 karat Yellow gold
Bezel: Fluted
Crystal: Scratch Resistance Sapphire crystal
Bracelet material: 18 karat Yellow gold
Bracelet color: Yellow Gold
Clasp Type: Fold clasp
Clasp material: 18 karat Yellow gold
Movement: Automatic
Movement/Caliber: 3255
Base caliber: cal. 3135
Power reserve: 70 hours
Number of jewels: 31
Water resistance: 10 ATM
Functions: Date
