
Ref. 278241-0027
The Rolex Datejust 31, reference 278241-0027, has a 31 mm case in steel and gold. The case carries a domed bezel and a scratch-resistant sapphire crystal with a Cyclops lens over the date. The chocolate dial is set with diamonds, held in 18 ct gold settings, and central seconds runs alongside the date display. Inside is the self-winding calibre 2236, a Rolex manufacture movement certified as a Superlative Chronometer, with a power reserve of approximately 55 hours. The screw-down crown is part of the Twinlock waterproofness system. A steel and gold Oyster bracelet closes with a folding Oysterclasp fitted with the Easylink comfort extension link. Waterproofing on this Datejust holds to 100 metres.
TECHNICAL SPECIFICATIONS
GENERAL
Gender
Women
CASE
Diameter
31mm
Case Material
Gold/Steel
Water Resistance
100m
Crystal
Sapphire Crystal
Bezel Material
Gold/Steel
MOVEMENT
Movement Type
Automatic
Caliber
2236
Power Reserve
55h
Frequency
28,800 vph
Jewels
55 jewels
DIAL
Dial Color
Brown
Numerals
Gemstones
BRACELET/STRAP
Bracelet/Strap
Gold/Steel
Clasp Type
Fold Clasp
Clasp Material
Gold/Steel
