I wrote to Longines via their website. They can provide information on the year of manufacture based on the movement's serial number. It's a free service they offer.
52ish bumper.... something to make all you Speedmaster guys green with envy... come on, admit to it! GREEN WITH ENVY!
It’s that day again - back on the slightly more subdued NATO today. I wish I could find a better quality strap in this color combination, with black PVD hardware; I saw one online a few weeks ago, but do you think I can find it again now...?
This one is ready for his trip to the Spa in Bienne!... gonna miss him for a couple of months but... will see!