Staying on course

The Oyster Perpetual Yacht-Master 42 in 18 ct yellow gold with a black dial and an Oysterflex bracelet.

Yacht-Master technical details

Reference 226658

Model case

Oyster, 42 mm, yellow gold

Oyster architecture

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

Diameter

42 mm

Material

18 ct yellow gold

Bezel

Bidirectional rotatable 60-minute graduated bezel with matt black Cerachrom insert in ceramic, polished raised numerals and graduations

Winding crown

Screw-down, Triplock triple waterproofness system

Crystal

Scratch-resistant sapphire, Cyclops lens over the date

Water resistance

Waterproof to 100 metres / 330 feet

Movement

Perpetual, mechanical, self-winding

Calibre

3235, Manufacture Rolex

Precision

-2/+2 sec/day, after casing

Functions

Centre hour, minute and seconds hands. Instantaneous date with rapid setting. Stop-seconds for precise time setting

Oscillator

Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers

Winding

Bidirectional self-winding via Perpetual rotor

Power reserve

Approximately 70 hours

Bracelet

Oysterflex

Material

Flexible metal blades overmoulded with high-performance elastomer

Clasp

Folding Oysterlock safety clasp with Rolex Glidelock extension system

Dial

Black

Details

Highly legible Chromalight display with long-lasting blue luminescence