Case
Oyster: 40 mm
Oyster case structure: one-piece middle case, screw-down bottom cover and winding crown
Diameter: 40 mm
Material: 18K gold
Bezel: 18K gold fixed bezel with tachymeter scale
Winding crown: screw-down, triple lock triple waterproof system
Mirror: scratch-resistant blue crystal
Movement
Movement: automatic winding mechanical chronograph perpetual movement
Movement model: Rolex 4131 movement
Balance spring assembly: paramagnetic blue Parachrom hairspring; high-performance Paraflex shock absorber
Winding: automatic winding in both directions by perpetual rotor
Power reserve: about 72 hours
Strap
Strap: Oyster, three-grid solid links
Material: 18K gold
Buckle: folding Oyster safety clasp with 5 mm easy-adjust link extension system
Dial
Dial: bright black and gold, inlaid with diamonds
Gemstone inlay: 18K gold