Rolex Oyster Perpetual Cosmograph Daytona Oystersteel and Yellow Gold 126503-0001

Cosmograph Daytona
Oyster, 40 mm, Oystersteel and yellow gold.

This Oyster Perpetual Cosmograph Daytona in Oystersteel and yellow gold, with a white dial and an Oyster bracelet, features a yellow gold bezel with an engraved tachymetric scale.

More Cosmograph Daytona technical details 
Reference 126503-0001


Model Case ____________________________________________________________________________________

Type Oyster Architecture
Oyster, 40 mm, Oystersteel and Monobloc middle case, screw-down
yellow gold case back and winding crown

Diameter Winding Crown
40 mm Screw-down, Twinlock double
waterproofness system

Material Crystal
Yellow Rolesor Scratch-resistant sapphire

Bezel Water Resistance
Fixed, with engraved tachymetric Waterproof to 100 metres / 330
scale, in yellow gold feet


Movement

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Type Precision
Perpetual, mechanical chronograph, -2/+2 sec/day, after casing
self-winding

Calibre Oscillator
4131, manufacture Rolex Paramagnetic blue Parachrom
hairspring. High-performance
Paraflex shock absorbers

Winding Functions
Bidirectional self-winding via Centre hour and minute hands,
Perpetual rotor small seconds hand at 6 o'clock.
Chronograph via centre seconds
Power reserve hand, 30-minute counter at 3
Approximately 72 hours o'clock and 12-hour counter at 9
o'clock. Stop seconds for exact
time setting

Bracelet
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Type Clasp
Oyster, three-piece solid links Folding Oysterlock safety clasp with
Easylink 5 mm comfort extension
link

Bracelet Material
Yellow Rolesor - combination of
Oystersteel and yellow gold
Dial
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Type Details
White Highly legible Chromalight display
with long-lasting blue luminescence

Certification
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Type
Superlative Chronometer (COSC +
Rolex certification after casing)