
Ref. 278341RBR-0025
Rolex Datejust 31, reference 278341RBR-0025, measures 31 mm in steel and gold. The case is fitted with a domed, diamond-set bezel and a screw-down crown, and the date sits under a Cyclops lens on the sapphire crystal. Inside is the self-winding calibre 2236, a chronometer movement with a 55-hour power reserve. The white mother-of-pearl dial is set with diamonds, and central seconds run alongside the date display. This is a dress watch built for daily wear rather than display. The steel and gold Oyster bracelet closes with a folding Oysterclasp fitted with an Easylink comfort extension link. Waterproofing holds to 100 metres thanks to the screw-down crown's Twinlock system.
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
Mother-Of-Pearl
Numerals
Gemstones
BRACELET/STRAP
Bracelet/Strap
Gold/Steel
Clasp Type
Fold Clasp
Clasp Material
Gold/Steel
