42 mm satin-finished polished steel case, bi-directional rotating bezel with anodised aluminium insert, sapphire crystal with anti-reflective coating, carbon fibre dial with metal applique super-luminova-filled numerals, calibre BR-CAL.301 automatic movement with hours, minutes, small seconds at 3 o'clock, date, chronograph: 30-minute counter at 9 o'clock, central chronograph seconds, tachymeter scale on the flange, perforated black rubber and ultra-resilient black synthetic fabric strap, satin-polished steel pin buckle. Water resistant to 100 metres.