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. Tachymeter scale on the flange.
45 mm in width. Carbone forgé®, grade 5 titanium and ceramic with rubber inserts. Ceramic rocker push-buttons with black rubber inserts. Crown with rubber inserts. Back with opening in tinted sapphire crystal, centred on the balance.
Grey-tinted sapphire crystal. Applique metal indices with Super-LumiNova® inserts. Metal skeleton Super-LumiNova®-filled hour and minute hands. Aluminum 30-min chronograph timer disc.
Sapphire with anti-reflective coating.
100 meters.
Woven black rubber.
Pin. Black PVD (Physical Vapor Deposition).