
Ref. 278289RBR-0023
Rolex Datejust 31 mm, reference 278289RBR-0023, cased in 18 ct white gold at 31 mm across. The case sits on the Oyster architecture with a monobloc middle case and screw-down back, its winding crown screw-down as well. A diamond-set bezel surrounds the bright blue sunray dial, and a Cyclops lens over the date sits on the scratch-resistant sapphire crystal. Inside is calibre 2236, a self-winding Perpetual movement certified as a Superlative Chronometer, with approximately 55 hours of power reserve. The watch is set with diamonds and pairs with a President bracelet in matching white gold, closed by a concealed folding Crownclasp. Rolex rates the case to 100 metres.
TECHNICAL SPECIFICATIONS
GENERAL
Gender
Women
CASE
Diameter
31mm
Case Material
White Gold
Water Resistance
100m
Crystal
Sapphire Crystal
Bezel Material
Gem-set
MOVEMENT
Movement Type
Automatic
Caliber
2236
Power Reserve
55h
Frequency
28,800 vph
Jewels
55 jewels
DIAL
Dial Color
Blue
Numerals
Roman Numerals
BRACELET/STRAP
Bracelet/Strap
White Gold
Clasp Type
Hidden Fold Clasp
Clasp Material
White Gold
