BR-CAL.313. Automatic mechanical. 'X'-shaped upper bridge. 56 jewels, 28,800 vph. Skeleton chronograph.
Hours, minutes, small seconds at 3 o'clock. Skeleton date at 6 o'clock. Chronograph: 30-min timer at 9 o'clock, central chronograph seconds.
45 mm in width. Titanium and ceramic with rubber inserts. Rocker push-buttons. Back with opening in tinted sapphire crystal, centred on the balance.
Grey-tinted sapphire crystal. Metal applique Super-LumiNova®-filled indices. Metal skeleton Super-LumiNova®-filled hour and minute hands.
Sapphire with anti-reflective coating.
100 meters.
Woven black rubber.
Pin. Steel with rubber insert.