Cosmograph Daytona 116519ln-0027 40mm

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Detail

Reference 116519LN

Model Case

Oyster, 40 mm, white gold

Model Case

Oyster, 40 mm, white gold

OYSTER ARCHITECTURE

Monobloc middle case, screw back case, crown

Diameter

40 mm

Material

18 ct white gold

BEZEL

Black ceramic monobloc Cerachrom bezel with tachymeter

Crown

Screw-type, triple-enclosed triplock crown

Crystal

Scratch-resistant sapphire

Water resistance

Water resistant to 100 m / 330 feet

Movement

Perpetual, mechanical chronograph, self-winding

Caliber

4130, Manufacture entirely in-house by Rolex

Accuracy

Daily difference -2 to +2 seconds (after casing)

Functions

Central hands for hours, minutes, seconds, small seconds at 6 o'clock, chronograph with 1/8th of a second, totalizers (30 minutes at 3 o'clock and 12 hours at 9 o'clock). Seconds hand stop function for accurate time setting.

Oscillator

Paramagnetic blue parachrom hairspring

Winding

Bidirectional automatic winding with perpetual rotor

Power reserve

Approx. 72 hours

Bracelet

Oysterflex

Bracelet material

Flexible metal braid, high-performance elastomer coating

Clasp

Oyster lock with safety catch, easy-link (approx. 5 mm extension links)

Dial

Steel and black

Steel and black dial

Steel and black

Details

Chromalight display (long-lasting blue luminescence)

Certifications

High-precision chronometer (COSC, Rolex-certified after casing)