What year is it?
Here is another Admiral with a relatively close serial number (16'666'108 vs. 17'025'075) that was produced in 1972. If you want, you should be able to contact Longines and get an extract to confirm.
https://www.reddit.com/r/Watchexchange/comments/lk48hz/wts_vintage_1972_longines_admiral_ref_2324/
Edit: 1973 or 1974 seems more likely, I think. See extract below of 17'614'038.
https://www.watchuseek.com/threads/...iss-vintage-watch-with-extract-paper.5296884/
That is a great design and speaks of it's age. The only thing wrong with it is it is too small for me to wear 😀
Oh, hell, I think if I had the opportunity, I would wear it. 32mm?
So far, the only 4037 known to exist with an Annapolis dial. Andy Tolley and Philippe Hebeisen from the Heritage Museum researched this example.
https://flightbirds.net/us-naval-academy-weems-a-rare-breed-pedigree/
Seems you are part of the majority. It doesn't look like a Weems without a lock of some kind.