Serial Number for 145.014

Hi,
Where should I be able to see the serial number on my 145.014 Speedmaster Racing MKII please?
Thank you,
Jonathan

piggy backing off this thread, I looked up my serial number online (for my 145.014) and I get 2 dates. The website I used to look up the number asks if the watch is a speedmaster or non speedmaster. Since the watch is a speedmaster mkII, I wasn't sure if it should be considered a speedy or a non speedy. The dates come back as 1969 one way and 1970 the other, so I'm confused. Anyone have any input on the MKII serial?

2960106X (last number isn't very legible in the picture, I should have written it down while it was open)