Rolex
Datejust 31
Ref. 278240
The Rolex Datejust 31 reference 278240 is a refined and versatile timepiece known for its elegant design and precision. It features a 31mm Oystersteel case, a self-winding mechanical movement, and the iconic Datejust functionality with a Cyclops lens over the date. This model is celebrated for its timeless aesthetics and Rolex's renowned craftsmanship.
crystalScratch-resistant sapphire, Cyclops lens over the date
braceletOyster, three-piece solid links, Oystersteel, Oysterclasp with Easylink comfort extension link
movementCalibre 2236, Perpetual, mechanical, self-winding, approximately 55 hours power reserve
functionsCentre hour, minute and seconds hands. Instantaneous date with rapid setting. Stop-seconds for precise time setting
case diameter31 mm
case materialOystersteel
water resistance100 metres / 330 feet
A registered Rolex 278240 carries a permanent RGATT passport: origin, history and owners, verifiable by anyone, and a documented history makes a watch easier to sell.