Model case:
Oyster, 40 mm, Oystersteel and yellow gold
Oyster architecture:
Monobloc middle case, screw-down case back and winding crown
Diameter:
40 mm
Material:
Yellow Rolesor – combination of Oystersteel and yellow gold
Bezel:
Fixed, with engraved tachymetric scale, in yellow gold
Winding crown:
Screw-down, Triplock triple waterproofness system
Crystal:
Scratch-resistant sapphire
Water resistance:
Waterproof to 100 metres / 330 feet
Movement
Movement:
Perpetual, mechanical chronograph, self-winding
Calibre:
4131, manufacture Rolex
Precision:
-2/+2 seconds per day, after casing
Oscillator:
Paramagnetic blue Parachrom hairspring.
High-performance Paraflex shock absorbers
Winding:
Bidirectional self-winding via Perpetual rotor
Power reserve:
Approximately 72 hours
Bracelet
Bracelet:
Oyster, three-piece solid links
Material:
Yellow Rolesor – combination of Oystersteel and yellow gold
Clasp:
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link
Dial
Dial:
Bright black and golden set with diamonds
Gem settings:
Diamonds in 18 ct gold settings
Details:
Highly legible Chromalight display with long-lasting blue luminescence






















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