MODEL CASE

Oyster, 44 mm, yellow gold

OYSTER ARCHITECTURE

Monobloc middle case, screw-down case back and winding crown

DIAMETER

44 mm

MATERIAL

18 ct yellow gold

BEZEL

Rolex Ring Command (bidirectional 90° rotatable interacting with the movement) in 18 ct gold with blue Cerachrom insert in ceramic and numerals coated in gold

WINDING CROWN

Screw-down, Triplock triple waterproofness system

CRYSTAL

Scratch-resistant sapphire

WATER RESISTANCE

Waterproof to 100 metres / 330 feet

MOVEMENT

Perpetual, mechanical, self-winding, regatta chronograph

CALIBRE

4161, Manufacture Rolex

PRECISION

-2/+2 sec/day, after casing

FUNCTIONS

Centre hour and minute hands, small seconds hand at 6 o'clock. Programmable countdown with mechanical memory and on-the-fly synchronization. Stop-seconds for precise time setting

OSCILLATOR

Paramagnetic blue Parachrom hairspring

WINDING

Bidirectional self-winding via Perpetual rotor

POWER RESERVE

Approximately 72 hours

BRACELET

Oyster, flat three-piece links

BRACELET MATERIAL

18 ct yellow gold

CLASP

Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link