The Oyster Perpetual Sky-Dweller in 18 ct yellow gold with a bright black dial and an Oysterflex bracelet.

This distinctive watch is characterized by its second time zone display on an off-centre disc on the dial. Furthermore, its innovative system for setting the functions, using the rotatable Ring Command bezel, is unique to Rolex. 

Reference 326238

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

Fluted, bidirectional rotatable Rolex Ring Command

WINDING CROWN

Screw-down, Twinlock double waterproofness system

CRYSTAL

Scratch-resistant sapphire, Cyclops lens over the date

WATER RESISTANCE

Waterproof to 100 metres / 330 feet

MOVEMENT

Perpetual, mechanical, self-winding, dual time zones, annual calendar

CALIBRE

9001, Manufacture Rolex

PRECISION

-2/+2 sec/day, after casing

FUNCTIONS

Centre hour, minute and seconds hands. 24-hour display on off-centre disc. Second time zone. Instantaneous annual calendar at 3 o'clock and rapid-setting of the date. Month display via 12 apertures around the circumference of the dial. 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 72 hours

BRACELET

Oysterflex

BRACELET MATERIAL

Flexible metal blades overmoulded with high-performance elastomer

CLASP

Folding Oysterclasp with Rolex Glidelock extension system

DIAL

Bright black

DETAILS

Highly legible Chromalight display with long-lasting blue luminescence