Rolex Datejust 278240-0005 31mm Silver Index Domed Bezel Oyster Oystersteel
Rolex Datejust
31mm Silver Index Domed Bezel Oyster Bracelet Oystersteel Watch
Technical Specs:
Brand : Rolex
Model : Datejust 31
Reference Number : 278240-0005
CASE
Case Shape : Round
Case Dimensions : 31 mm
Oyster Architecture : Monobloc middle case, screw-down
case back and winding crown
Crystal : Scratch-resistant sapphire, Cyclops lens over the date
Bezel : Domed
Winding Crown : Screw-down, Twinlock double waterproofness system
Water Resistance : Waterproof to 100 metres / 330 feet
Case Material : Oystersteel
DIAL
Dial Color : Silver
Details : Highly legible Chromalight display with long-lasting blue luminescence
BRACELET
Band Material : Oystersteel
Band Name : Oyster, three-piece solid links
Clasp : Folding Oysterclasp with Easylink 5 mm comfort extension link
MOVEMENT
Movement Type : Perpetual, mechanical, self-winding
Calibre : 2236, Manufacture Rolex
Precision : 2/+2 sec/day, after casing
Functions : Centre hour, minute and seconds hands. Instantaneous date with rapid setting. Stop-seconds for precise time setting
Oscillator : Syloxi hairspring in silicon with patented geometry. High-performance Paraflex shock absorbers
Winding : Bidirectional self-winding via Perpetual rotor
Power Reserve : Approximately 55 hours
COSC Certified : Superlative Chronometer (COSC + Rolex certification after casing)
Brand : Rolex
Dial Color : Silver
Size : 31 ММ
