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. Polished, satin-finished 18 k rose gold and ceramic with rubber inserts. Ceramic rocker pushbuttons with black rubber inserts. Crown with rubber inserts. Back with opening in tinted sapphire crystal, centred on the balance. Gold weight: 28,75 g.
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).