
Ref. 278383RBR-0017
Rolex Datejust 31 mm, reference 278383RBR-0017, cased in steel and gold at 31 mm across. The dial is dark grey and set with diamonds, paired with a diamond-set bezel for a coordinated sparkle. A sapphire crystal with a Cyclops lens sits over the date, and the case carries a screw-down crown. Inside is the self-winding calibre 2236, a chronometer-certified movement with a 55-hour power reserve. Rolex lists central seconds and date among the functions, both driven by this Manufacture movement. The steel and gold bracelet closes with a folding Oysterclasp fitted with the Easylink comfort extension link. The case is waterproof to 100 metres.
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
Grey
Numerals
Gemstones
BRACELET/STRAP
Bracelet/Strap
Gold/Steel
Clasp Type
Fold Clasp
Clasp Material
Gold/Steel
