Reference 116503
Model Case
Oyster, 40 mm, Oyster steel and yellow gold
OYSTER ARCHITECTURE
Monobloc middle case, screw back case, crown
Diameter
40 mm
MATERIALS
Yellow rolesol – Oyster steel and 18 ct yellow gold
BEZEL
Fixed, engraved tachymeter, 18 ct yellow gold
Crown
Screw-type, triple-enclosed triplock
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
Oyster with 3 rows of links
Bracelet material
Yellow rolesol – Oyster steel and 18 ct. yellow gold
Clasp
Oyster lock with safety catch, easy links (approx. 5 mm extension links)
Dial
Black
Detail
Snail-shaped small counter on dial
Certifications
High-precision chronometer (COSC, Rolex-certified after casing)
