BR-CAL.301. Automatic mechanical.
Hours, minutes, small seconds at 3 o'clock and date. Chronograph: 30-minute timer at 9 o'clock, central chronograph seconds.
41 mm in diameter. CuAI7Si2 bronze. Bezel with anodized blue aluminum ring and 60-minute scale. Screw-down crown and push-buttons. Steel and sapphire case-back.
Blue sunray. Gilded and polished numerals and indices. Satin-polished and gilded skeleton Super-LumiNova®-filled hour and minute hands.
Box-type sapphire crystal sapphire with anti-reflective coating.
100 meters.
Blue calfskin.
Folding. Satin-polished bronze.