Rolex Datejust 31 Ref. 278344RBR-0028
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About this product
Aubergine with diamond markers under a domed diamond-set white gold bezel, on the Jubilee. The domed profile curves the stones over the bezel's shoulder — softer than the flat setting of 278384RBR, and several thousand less for the same dial. Deep purple-brown that passes for black until light finds it. In 31mm White Rolesor. Calibre 2236 inside, roughly fifty-five hours of reserve, Syloxi hairspring in silicon.
This watch comes with the manufacturer's warranty card, backed up by our own Alan Furman & Co warranty.
Specifications
- Datejust Collection
- Oyster, 31mm White Rolesor — Oystersteel and 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
- Aubergine Dial with Diamond-Set Hour Markers
- Domed, 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
- Jubilee Bracelet in White Rolesor
- Oysterclasp Folding Clasp with Easylink 5mm Comfort Extension