BR-CAL.313. Mechanical automatic. '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.

CASE
45 mm in width. Precious wood and CuSn8 bronze. Back with opening in tinted sapphire crystal, centred on the balance.

Grey-tinted sapphire crystal. Gilt appliqué indices with Super-LumiNova® inserts. Gilt skeleton Super-LumiNova®-filled hour and minute hands. Gilt aluminum 30-min chronograph timer disc.

Anti-reflective sapphire.

100 meters.

Brown alligator skin.

Pin. Bronze.