Hamilton H24505311 Ventura Elvis80 AutoProduct Overview Released in 1957, the "Ventura" is etched in the history of watchmaking as the world's first battery powered watch. The new model is an unconventional tribute to Elvis Presley, a fan of the Ventura. It features blue steel hands and retains a classical design while incorporating a modern H 10 movement with a standard power reserve of 80 hours. Specifications Product Number H24505311 Caliber H 10 Collection Ventura Movement Automatic