BR-CAL.301. Automatic mechanical.
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.
42 mm in width. Satin-finished polished steel. Bi-directional rotating bezel with anodized aluminum insert.
Carbon fibre. Metal applique Super-LumiNova®-filled numerals. Metal skeleton Super-LumiNova®-filled hour and minute hands.
Sapphire with anti-reflective coating.
100 meters.
Perforated black rubber and ultra-resilient black synthetic fabric.
Pin. Satin-polished steel.