Hamilton Watch Ventura Elvis8 Auto H24505311. The original Hamilton watches Ventura, launched in 1957, made watchmaking history as the worlds first electrical battery powered watch. This new version pays tribute to the ultimate rulebreaker and Venturas biggest fan: Elvis Presley. Classic Ventura in appearance, it features the modern H 10 movement with 80 hours of power reserve and a seconds hand that has been blued by flame.