Reference
126509
Model case
Oyster, 40 mm, white gold
Water-resistance
Waterproof to 100 metres / 330 feet
Bezel
Fixed, with engraved tachymetric scale, in 18 kt white gold
Dial
Bright black and steel
Bracelet
Oyster, three-piece solid links
Movement
Perpetual, mechanical chronograph, self-winding
Calibre
4131, manufacture Rolex
Power reserve
Approximately 72 hours
Certification
Superlative Chronometer (COSC + Rolex certification after casing)
The tachymetric scale
Bright black and steel dial
18 kt white gold
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