
Ref. 228348RBR-0034
Rolex Day-Date 40, reference 228348RBR-0034, cases the movement in 18 ct yellow gold at 40 mm across and 12 mm thick. The bezel is diamond-set, matched to a white dial under a scratch-resistant sapphire crystal with Cyclops lens over the date. Inside runs the calibre 3255, a self-winding Manufacture movement certified as a chronometer, with day and date shown in apertures alongside central seconds. As with all Day-Date models, this one is set with diamonds, here on the bezel rather than the dial or lugs. The screw-down crown uses Rolex's Twinlock double waterproofness system. The gold President bracelet, with its semi-circular three-piece links, closes with a concealed folding Crownclasp. Waterproofness reaches 100 metres, the standard depth rating for this reference.
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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 (4 Hz)
Jewels
31 jewels
DIAL
Dial Color
White
Numerals
Roman Numerals
BRACELET/STRAP
Bracelet/Strap
Yellow Gold
Clasp Type
Hidden Fold Clasp
Clasp Material
Yellow Gold
FEATURES & COMPLICATIONS
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FOR WATCH DEALERS
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