Case

Case Size: 40 mm diameter

Case Material: Oystersteel (904L stainless steel)

Case Thickness: ~11.6 mm

Water Resistance: 100 meters / 330 feet

Bezel

Type: Smooth, domed

Material: Oystersteel

Crystal

Scratch-resistant sapphire

No Cyclops (Explorer has no date display)

Movement

Calibre: Rolex Calibre 3230

Type: Self-winding mechanical

Power Reserve: Approximately 70 hours

Oscillator / Balance

Hairspring: Paramagnetic blue Parachrom hairspring

Escapement: Chronergy escapement

Shock Protection: Paraflex shock absorbers

Dial

Dial Color: Black

Large 3, 6, and 9 Arabic numerals

Mercedes hands

Chromalight luminescence (long-lasting blue glow)

Bracelet

Bracelet: Oyster bracelet (3-link)

Material: Oystersteel

Clasp: Folding Oysterlock safety clasp

Extension: Easylink comfort extension (5 mm)

Certification

Chronometer: Superlative Chronometer (COSC + Rolex certification)

Accuracy: −2 / +2 seconds per day