Model Case
Model case:
Oyster, 40 mm, yellow gold
Oyster architecture:
Monobloc middle case, screw-down case back and winding crown
Diameter:
40 mm
Material:
18 ct yellow gold
Bezel:
Fixed, with engraved tachymetric scale, in 18 ct 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
Dial
Dial:
Golden, black counter rings
Details:
Highly legible Chromalight display with long-lasting blue luminescence






















Reviews
There are no reviews yet.