At 31 mm, this Datejust 31 wears a round Oystersteel and white gold White Rolesor case featuring a monobloc middle, solid case back, and screw-down winding crown with Twinlock double waterproofness. The fluted bezel frames a scratch-resistant sapphire crystal equipped with a Cyclops lens over the date window, and the case remains waterproof to 100 metres / 330 feet.
The dark grey dial is set with diamonds throughout, with the large VI index further distinguished by 11 diamonds and Roman numeral hour markers completing the layout. The Oyster bracelet in Oystersteel features three-piece solid links and a folding Oysterclasp with an Easylink 5 mm comfort extension link.
Power comes from the Calibre 2236, a perpetual mechanical self-winding movement from Manufacture Rolex, rated to a precision of -2/+2 seconds per day after casing and COSC certified. The movement offers a Syloxi silicon hairspring with patented geometry, high-performance Paraflex shock absorbers, bidirectional winding via a Perpetual rotor, and a power reserve of approximately 55 hours, with functions including instantaneous date with rapid setting and stop-seconds for precise time setting.
