Case

Size: 41 mm diameter

Material: Oystersteel (904L stainless steel) + 18k Everose gold (Rolex Rolesor)

Bezel: Fluted Everose gold

Crystal: Scratch-resistant sapphire with Cyclops lens over date

Water Resistance: 100 m / 330 ft

Movement

Calibre: Rolex 3235

Type: Self-winding mechanical

Oscillator / Balance:

Paramagnetic blue Parachrom hairspring

Paraflex shock absorbers

Power Reserve: Approx. 70 hours

Functions:

Hours, minutes, seconds

Instantaneous date at 3 o’clock with rapid setting

Stop-seconds for precise time setting

Bracelet Options

Jubilee (five-piece links)

Folding Oysterclasp

Easylink 5 mm comfort extension

Oyster bracelet compatibility exists on some configurations of the Datejust 41 line, though most 126331 models are primarily paired with Jubilee.

Dial Options

A wide variety, including (depending on production year & availability):

Silver

Slate (Wimbledon)

Black

White

Sundust / Rose

Chocolate

Blue

Markers & Hands

Applied 18k gold hour markers (white or Everose gold depending on dial)

Chromalight luminescence for low-light readability

Certification

Superlative Chronometer (COSC + Rolex in-house testing)

Precision: −2/+2 seconds per day after casing