
Ref. 278341RBR-0017
Rolex Datejust 31 mm, reference 278341RBR-0017, in steel and gold, measures 31 mm across. The domed bezel is set with diamonds, and the slate dial sits under a scratch-resistant sapphire crystal with a Cyclops lens over the date. Inside is the calibre 2236, a self-winding movement with a Syloxi hairspring, offering around 55 hours of power reserve and certified as a chronometer. A screw-down crown protects the case, and the central seconds hand runs alongside an instantaneous date function. Diamonds also appear elsewhere on the watch. The bracelet is steel and gold with a folding Oysterclasp, fitted with an Easylink link for added comfort. The case carries a 100 metre water resistance rating.
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
Slate
Numerals
Roman Numerals
BRACELET/STRAP
Bracelet/Strap
Gold/Steel
Clasp Type
Fold Clasp
Clasp Material
Gold/Steel
