Case Size: 40 mm diameter 

Case Material: Oystersteel (904L stainless steel) 

Bezel: Bidirectional rotating 24-hour bezel, Cerachrom insert in green & black ceramic 

Crystal: Scratch-resistant sapphire, Cyclops lens over the date 

Water Resistance: 100 meters / 330 feet 

Movement: Rolex Calibre 3285, self-winding, GMT function 

Oscillator / Balance: Paramagnetic blue Parachrom hairspring; Paraflex shock absorbers 

Power Reserve: Approx. 70 hours 

Functions:

Hours, minutes, seconds

24-hour GMT hand / second time-zone

Instantaneous date (with rapid adjustment)

Stop-seconds for precise time setting 

Bracelet Options:

Oyster bracelet (three-piece solid links) 

cookeandkelvey.com

Jubilee bracelet (five-piece links) also available. 

NGG

Clasp: Folding Oysterlock safety clasp, with Easylink 5 mm comfort extension link 

Dial: Black 

Markers / Hands: Applied white-gold hour markers, with Chromalight luminescence

Certification: Superlative Chronometer (COSC + Rolex in-house, ± 2 sec/day)