Rolex
Day-Date 40
Oyster, 40 mm, yellow gold and diamonds
m228348rbr
Price on request
# m228348rbr-0000
Model case
Oyster, 40 mm, yellow gold and diamonds
Material
18 kt Yellow gold
Winding crown
Screw-down, Triplock triple waterproofness system
Oyster architecture
Monobloc middle case, screw-down case back and winding crown
Bezel
Diamond-set Set with diamondsDiamond-set Set with diamonds
Crystal
Scratch-resistant sapphire, Cyclops lens over the date
Diameter
40mm
Water resistance
Waterproof to 100 metres / 330 feet
Movement
Perpetual, mechanical chronograph, self-winding
Functions
Centre hour and minute hands, small seconds hand at 6 o'clock. Chronograph via centre seconds hand, 30-minute counter at 3 o'clock and 12-hour counter at 9 o'clock. Stop seconds for exact time setting
Oscillator
Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers
Calibre
4131, manufacture Rolex
Winding
Bidirectional self-winding via Perpetual rotor
Precision
-2/+2 sec/day, after casing
Power reserve
Approximately 72 hours
Bracelet
President, semi-circular three-piece links
Material
18 kt Yellow gold
Dial
Bright black
Details
Highly legible Chromalight display with long-lasting blue luminescence
Certification
Superlative Chronometer (COSC + Rolex certification after casing)
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