Case:
Diameter: 40 mm.
Polished 18k yellow gold with brushed and polished finished centre lugs.
Screw-down crown with Rolex's patented Triplock triple waterproofness system.
Screw-down chrono buttons.
Fixed bezel.
Black cerachrom bezel.
Engraved tachymeter scale on the bezel.

Dial:
White with snailed small counters.
Gold applique hour markers and hands with a chromalight display, a highly-legible luminescent material.
The central sweep seconds hand allows an accurate reading of 1/8 second, while the two counters on the dial display the lapsed time in hours and minutes.

Movement:
Perpetual, mechanical chronograph, self-winding.
Calibre 4130, manufacture Rolex.
Precision of -2/+2 sec/day, after casing.
Centre hour, minute and seconds hands, small seconds hand at 6 o'clock.
Chronograph (centre hand) accurate to within 1/8 of a second, 30-minute counter at 3 o'clock and 12-hour counter at 9 o'clock. Stop seconds for precise time setting.
Paramagnetic blue parachrom hairspring.
Bidirectional self-winding via perpetual rotor.
Frequency: 28.800 v.p.h.
Power reserve of 72 hours.
44 jewels.
31 jewels.

Bracelet:
Black oysterflex.
Flexible metal blades overmoulded with high-performance elastomer.
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link.