Firstly, congratulations on the Autavia.

Secondly... well, we're still working on the serial numbers to be able to nail it precisely but the serial number for your Autavia suggests mid-70s. If I were pushed, I'd say 1975 with the possibility of late '74.

It helps where we can get serial numbers for watch models where we know the year they were introduced, because the lowest serial number gives us a number that cannot be before year X... but there's still plenty of guesswork involved!

Mark