
Ref. 278383RBR-0026
The Rolex Datejust 31, reference 278383RBR-0026, measures 31 mm in steel and gold. The case carries a scratch-resistant sapphire crystal with a Cyclops lens over the date, and a diamond-set bezel frames the dial. Inside is the calibre 2236, a self-winding mechanical movement with a power reserve of approximately 55 hours, certified as a chronometer. The champagne-colour dial is set with diamonds and paired with central seconds and date functions. A screw-down crown adds to the watch's practicality as a chronometer. The steel and gold bracelet closes with a concealed folding Crownclasp. Rolex rates the case to 100 metres of water resistance.
TECHNICAL SPECIFICATIONS
GENERAL
Gender
Women
CASE
Diameter
31mm
Case Material
Gold/Steel
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
Champagne
Numerals
Gemstones
BRACELET/STRAP
Bracelet/Strap
Gold/Steel
Clasp Type
Hidden Fold Clasp
Clasp Material
Gold/Steel
