According to Jeff Stein on On the Dash period-correct Autavia watches were "far more falsi audemars-piguet orologi rare and expensive than later models." Looks like 1968 was the next best year. But that doesn't make the black dial reverse-panda configuration design with it's tachymeter bezel any less cool though. Bale's character obviously found it so cool that he wore it beneath his wrist or the method actor knew the watch was off by a couple years and was doing his best to hide it from the camera.