Datejust 31 m278274-0018 31 mm

Reference 278274
Model Cases
Oyster, 31 mm, Oystersteel and white gold
Oyster Architecture
Monobloc middle case, screw back case, crown
diameter
31 mm
material
White Rolesor – Oystersteel and 18 ct white gold
Bezel
Fluted
Crown
Screw type, twin lock (double sealed structure)
crystal
Anti-scratch sapphire, cyclopped lens on date display
Waterproof
100m / 330ft Water Resistance
Movement
Movement
Perpetual, mechanical, self-winding
Calibre
2236, manufactured entirely in-house by Rolex
precision
Day difference – 2~+2 seconds (after casing)
function
Hour, minute, and second hands in the center. Instantly changing date display, with date fast-forward function. Accurate time setting with second hand stop function
Transducer
Patented silicone siloxy hairspring. High-performance Paraflex shock absorbers
Winding
Bidirectional automatic winding with Perpetual rotor
Power reserve
Approx. 55 hours
bracelet
bracelet
Jubilee, five-column link
Bracelet Material
Oystersteel
clasp
Crown Clasp (Concealed Type)
dial
dial
Mint Green
detail
Chromalight display (long-lasting luminescence with blue light emission)
authorization
High precision chronometer (COSC, Rolex certified after casing)