
Ref. 228348RBR-0007
This Rolex Day-Date 40 mm, reference 228348RBR-0007, is cased in 18 ct yellow gold with a diameter of 40 mm and a thickness of 12 mm. The bezel is diamond-set, and the silver dial sits under a scratch-resistant sapphire crystal with a Cyclops lens over the date. Inside is the calibre 3255, a perpetual, self-winding movement with a power reserve of approximately 70 hours, and Rolex certifies the watch as a Superlative Chronometer. The dial shows the day and date along with central seconds. This is a men's watch set with diamonds, paired with a President bracelet in yellow gold and closed by a concealed folding Crownclasp. The screw-down crown, with its Twinlock double waterproofness system, holds the case to a 100 metre rating.
TECHNICAL SPECIFICATIONS
GENERAL
Gender
Men
CASE
Diameter
40mm
Thickness
12mm
Case Material
Yellow Gold
Water Resistance
100m
Crystal
Sapphire Crystal
Bezel Material
Gem-set
MOVEMENT
Movement Type
Automatic
Caliber
3255
Power Reserve
72h
Frequency
28,800 vph
Jewels
31 jewels
DIAL
Dial Color
Silver
Numerals
Roman Numerals
BRACELET/STRAP
Bracelet/Strap
Yellow Gold
Clasp Type
Hidden Fold Clasp
Clasp Material
Yellow Gold
