Reference 116518LN
Model Case
Oyster, 40 mm, yellow gold
OYSTER ARCHITECTURE
Monobloc middle case, screw back case, crown
Diameter
40 mm
Material
18 ct. yellow 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
Champagne-colored and black
Details
Chromalight display (long-lasting blue luminescence)
Certifications
High-precision chronometer (COSC, Rolex-certified after casing)
