This model features a bright black and steel, diamond-set dial with snailed counters, 18 ct gold applique hour markers and hands with a Chromalight display, a highly-legible luminescent material. With its tachymetric scale, its three counters and its pushers, the Cosmograph Daytona was designed to be the ultimate timing tool for endurance racing drivers. The bezel features a tachymetric scale to read average speed over a given distance based on elapsed time.
Gender
Man
Brand
Rolex
Model No.
126509
Movement
Perpetual, mechanical chronograph, self-winding
Calibre
4131, Manufacture Rolex
Power reserve
Approximately 72 hours
Precision
-2/+2 sec/day, after casing
Case diameter
40 mm
Dial
Bright black and steel set with diamonds-Highly legible Chromalight display with long-lasting blue luminescence
Gem settings
Diamonds in 18 ct gold settings
Bezel
Fixed, with engraved tachymetric scale, in 18 ct white gold
Glass Material
Scratch-resistant sapphire
Case Material
Oyster, 40 mm, white gold
Water Resistant
Waterproof to 100 metres / 330 feet
Bracelet material
18 ct white gold
Clasp
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link
Winding Crown
Screw-down, Triplock triple waterproofness system
Winding
Bidirectional self-winding via Perpetual rotor
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
Oyster Architecture
Monobloc middle case, screw-down case back and winding crown
Condition
Brand New In Box (BNIB)
What's Inside Box
1x Rolex Daytona - 126509G Black Dial White Gold Diamonds Bracelet Oyster, three-piece solid links
1x Official Rolex Certificate Card
1x Rolex Manual Book
1x Rolex Hang Tag
1x Watch Box