
Ref. 278384RBR-0021
Rolex Datejust 31, reference 278384RBR-0021, measures 31 mm in steel and gold. The case is finished with a diamond-set bezel and holds a mint green dial under a scratch-resistant sapphire crystal with a Cyclops lens over the date. Inside is the calibre 2236, a self-winding movement with a chronometer certification and a power reserve of approximately 55 hours. The dial shows a central seconds hand and a date display, with luminous hands and indices for legibility. The screw-down crown adds to the watch's protection against the elements. It is set with diamonds, giving it a distinctive sparkle. The steel bracelet closes with a folding Oysterclasp featuring an Easylink comfort extension link, and the case is rated to 100 metres of water resistance.
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TECHNICAL SPECIFICATIONS
GENERAL
Gender
Unisex
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 (4 Hz)
Jewels
55 jewels
DIAL
Dial Color
Green
Numerals
Lines
BRACELET/STRAP
Bracelet/Strap
Steel
Clasp Type
Fold Clasp
Clasp Material
Gold/Steel
FEATURES & COMPLICATIONS
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FOR WATCH DEALERS
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