3308-1 819
3308-2 819

first 4 digits are reference number
5th digit: is the iteration
last 3 digits: individual number is the unique number assigned to the watch for an order

So can it be that these two watches are ordered at the same time?

Hi everyone.

1961 Longines launched the first Flagship automatic with the date window at 12 o'clock. The correct movement is the 341.

1962 or later Flagship automatic did not used the 341 movement anymore, date window moved to the 3 o'clock.

That makes the 1961 Flagship with the 341 a one year only production.

If you have knowledge of the number of watches made that year accurate or approximate please make some noise now.