
Ref. 278289RBR-0014
The Rolex Datejust 31 mm, reference 278289RBR-0014, is cased in 18 ct white gold with a 31 mm diameter. The case is finished with a diamond-set bezel and a screw-down crown, and the dial sits beneath a scratch-resistant sapphire crystal with a Cyclops lens over the date. Inside is the calibre 2236, a self-winding Perpetual movement with a power reserve of approximately 55 hours and Rolex's Superlative Chronometer certification. The dark grey dial carries luminous hands and indices along with a central seconds display and date function. This is a women's watch, set with diamonds. The President bracelet, in matching white gold, closes with 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
Grey
Numerals
Lines
BRACELET/STRAP
Bracelet/Strap
White Gold
Clasp Type
Hidden Fold Clasp
Clasp Material
White Gold
