
Rolex Datejust 31 Ref. 278381RBR-0030
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About this product
Slate with diamond markers under a flat diamond-set Everose bezel — the sharper of the two settings, where 278341RBR uses a domed profile for the same stones. Grey dial against rose gold with diamonds inside and around it, on the five-link Jubilee. In 31mm Everose Rolesor. Calibre 2236 drives it at roughly fifty-five hours, certified to −2/+2 seconds a day after casing.
This watch comes with the manufacturer's warranty card, backed up by our own Alan Furman & Co warranty.
Specifications
- Datejust Collection
- Oyster, 31mm Everose Rolesor — Oystersteel and 18 ct Everose Gold Case
- Monobloc Middle Case with Screw-Down Case Back
- Calibre 2236, Perpetual Self-Winding Movement
- Superlative Chronometer, Officially Certified
- Precision –2/+2 sec/day After Casing
- Approximately 55-Hour Power Reserve
- Syloxi Hairspring in Silicon
- Paraflex Shock Absorbers
- Slate Dial with Diamond-Set Hour Markers
- Diamond-Set Everose Gold Bezel
- Instantaneous Date at 3 o'clock with Cyclops Lens
- Screw-Down Twinlock Winding Crown
- Scratch-Resistant Sapphire Crystal
- Water Resistance – 100m/330ft
- Jubilee Bracelet in Everose Rolesor
- Oysterclasp Folding Clasp with Easylink 5mm Comfort Extension




