
Ref. 278381RBR-0016
Rolex Datejust 31 mm, reference 278381RBR-0016, cased in 31 mm steel and gold. The case pairs with a diamond-set bezel and a silver dial set with diamonds, viewed through a scratch-resistant sapphire crystal with a Cyclops lens over the date. Inside is the calibre 2236, a perpetual, self-winding mechanical movement with a power reserve of approximately 55 hours, and the watch carries Rolex's chronometer certification. The screw-down crown and central seconds hand accompany a date function set at three o'clock. The steel and gold bracelet closes with a concealed folding Crownclasp. Rated to 100 metres, the case keeps its water resistance for everyday wear.
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
Silver
Numerals
Gemstones
BRACELET/STRAP
Bracelet/Strap
Gold/Steel
Clasp Type
Hidden Fold Clasp
Clasp Material
Gold/Steel
