Rolex Datejust 31 Ref. 278289RBR-0020
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About this product
Dark grey with diamond hour markers in solid white gold under a diamond-set bezel, President bracelet. Charcoal holding ten stones inside a ring of them, in a case with no warm metal anywhere — the most rigorously monochrome watch in the Datejust range. Calibre 2236 inside gives roughly fifty-five hours with Paraflex shock absorbers and a screw-down Twinlock crown.
This watch comes with the manufacturer's warranty card, backed up by our own Alan Furman & Co warranty.
Specifications
- Datejust Collection
- Oyster, 31mm 18 ct White 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
- Dark Grey Dial with Diamond-Set Hour Markers
- Diamond-Set White Gold Bezel
- Instantaneous Date at 3 o'clock with Cyclops Lens
- Screw-Down Twinlock Winding Crown
- Scratch-Resistant Sapphire Crystal
- Water Resistance – 100m/330ft
- President Bracelet in 18 ct White Gold
- Concealed Crownclasp Folding Clasp