Bremont BE-17AE

Specialized regatta chronograph movement based on ETA Valjoux 7750 with a custom regatta countdown complication developed by La Joux-Perret. Features Glucydur balance, Anachron balance spring, and Nivaflex 1 mainspring with decorated rotor. Hour/minute display with chronograph center seconds, running seconds at 9H, date and 12-hour counter at 6H, and 5-minute countdown at 12H for yacht racing starts.