Movement: Manufacture Breitling Caliber 01, officially chronometer-certified by the COSC, selfwinding, high-frequency (28,800 vibrations), 47 jewels.
Over 70-hour power reserve. 1/4th of a second chronograph, 30-minute and 12-hour totalizers.
Case: steel. Water-resistant to 300 m/1,000 ft (version 41) and 500m/1,650 ft (version 44).
Screw-locked crown and pushpieces.
Unidirectional ratcheted rotating bezel.
Cambered sapphire crystal, glareproofed on both sides.
Diameters: 41 or 44 mm.
Dials: Onyx black or Sierra silver.