BE-17AE is based on the Valjoux 7750; the custom regatta complication was developed by La Joux Perret.
Custom Bremont automatic movement, 25 jewels, Glucydur balance, Anachron balance spring, Nivaflex 1 mainspring, 28,800bph, 42 hour power reserve. Decorated rotor.
Hour/minute with chronograph centre seconds. Running seconds at 9H. Date and 12 hour counter at 6H, 5 minute countdown at 12H.