Size: 40 mm case diameter, 12.2 mm thickness, 20 mm lug width.

Movement: Rolex Caliber 4130 automatic. With 44 jewels, 28,800 vph, 72 – hour power reserve (66 hours with chronograph running). Bi – directional rotor and paramagnetic blue Parachrom hairspring for anti – magnetic performance.

Functions: Chronograph. Central hour, minute, second hands. Small seconds sub – dial at 6 o’clock, 30 – minute counter at 3 o’clock, 12 – hour counter at 9 o’clock. Chronograph hand accurate to 1/8 second. Stop – seconds for precise time – setting. Tachymetric scale on bezel for speed measurement.

Case: Made of 18 – karat white gold, monobloc middle case, screw – down case back. Triplock screw – down crown for triple waterproof protection.

Dial: Steel – toned main dial, black sub – dials. Hour markers and hands with Chromalight blue luminescent material for low – light visibility. Minute, second markings and tachymetric track on dial flange.

Bezel: Black Cerachrom ceramic, highly scratch – resistant, non – fading. Engraved with tachymetric scale.

Crystal: Scratch – proof sapphire crystal.

Strap: Black Oysterflex, rubber – coated two – piece titanium alloy with metal spring leaf and cushioning system.

Clasp: Folding Oysterlock clasp with Easylink 5 – mm comfort extension.

Water resistance: 100 meters, suitable for daily wear but not deep diving.