Movement: calibre BR-CAL.313. Automatic mechanical. 'X'-shaped upper bridge. 56 jewels, 28,800 vph. Skeleton chronograph. Functions: 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 diameter. Titanium and anodised blue aluminium with rubber inserts. Rocker push-buttons. Back with opening in tinted sapphire crystal, centred on the balance. Dial: grey-tinted sapphire crystal. Metal skeleton Superluminova-filled hour and minute hands. Appliqué metal indexes with Superluminova® inserts. Crystal: sapphire with anti-reflective coating. Water resistance: 100 metres. Strap: bi-material: alligator and grey rubber. Buckle: pin. Steel with grey rubber insert.