Stainless steel case water-resistant up to 100 meters. Screw-locked crown. Rotating pinion bezel with variable tachometer (circular slide-rule). Cambered sapphire crystal, glareproofed both sides. Breitling Calibre 18B, chronometer-certified by the COSC, mechanical hand-wound, high-frequency (21,600 vibrations per hour), 26 jewels, 1/6th of a second chronograph, 15-minute totalizer. Pointer-type calendar.