Case:
18k rose gold.
Diameter: 40 mm.
Monobloc middle case.
Screw-down case back and winding crown.
Black monobloc cerachrom bezel in ceramic with moulded tachymetric scale.
Screw-down winding crown.
Triplock triple waterproofness system.
Waterproof to 100 metres / 330 feet.

Dial:
Black, diamond-set with snailed counters.
18k gold applique hour markers and hands with a chromalight display, a highly-legible luminescent material.

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.
Superlative chronometer (COSC + Rolex certification after casing).
Power reserve of 72 hours.
31 jewels.
Frequency: 28,800 v.p.h.

Bracelet:
Oysterflex.
Flexible metal blades overmoulded with high-performance elastomer.
Folding oysterlock safety clasp with easylink 5 mm comfort extension link.