Oyster, 31 mm, Oystersteel and white gold
M278274-0018
 
REFERENCE
278274
MODEL CASE
Oyster, 31 mm, Oystersteel and white gold
OYSTER ARCHITECTURE
Monobloc middle case, screw-down case back and winding crown
DIAMETER
31 mm
MATERIAL
White Rolesor - combination of Oystersteel and white gold
BEZEL
Fluted
WINDING CROWN
Screw-down, Twinlock double waterproofness system
CRYSTAL
Scratch-resistant sapphire, Cyclops lens over the date
WATER RESISTANCE
Waterproof to 100 metres / 330 feet
MOVEMENT
Perpetual, mechanical, self-winding
CALIBRE
2236, Manufacture Rolex
PRECISION
-2/+2 sec/day, after casing
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
BRACELET
Jubilee, five-piece links
BRACELET MATERIAL
Oystersteel
CLASP
Concealed folding Crownclasp
DIAL
Mint green
DETAILS
Highly legible Chromalight display with long-lasting blue luminescence
CERTIFICATION
Superlative Chronometer (COSC + Rolex certification after casing)