Case Size (Diameter) 40 mm

Bezel Bidirectional rotatable 24-hour graduated bezel, two-colour green/black Cerachrom ceramic insert, moulded numerals & graduations 

Water Resistance Waterproof to 100 metres / 330 feet (via screw-down Triplock crown & caseback) 

Oscillator / Shock Absorption Paramagnetic blue Parachrom hairspring; high-performance Paraflex shock absorbers; large balance wheel with variable inertia and Microstella regulation 

Functions Hours, minutes, seconds; instantaneous date (at 9 o’clock on this “left-hand crown / right-hand dial” version); 24-hour hand + bidirectional bezel for second time zone (GMT); stop-seconds for precise time-setting. 

Bracelet Options / Clasp Oystersteel bracelet — either Oyster (three-piece) or Jubilee (five-piece) depending on variant. Clasp: Folding Oysterlock safety clasp, with Easylink 5 mm comfort extension link. 

Dial / Markers / Hands On the standard black-dial version: black lacquer dial; hour markers and hands in 18 ct white gold; Chromalight luminescence for legibility in low light. 24-hour hand in green lacquer. 

Certification Superlative Chronometer (COSC + Rolex in-house after casing) — accuracy −2/+2 sec/day after casing.