
Caliber 5040.B is a 28.00 mm by 4.40 mm chronograph movement with a big date and small seconds. It offers a 54-month battery life, comes in 13-jewel Swiss Made or 6-jewel Swiss Parts configurations, and includes subdials at 6h (1/10 sec/10 hours), 9h (30 minutes), 3h (small second), and a big date at 12h.