Hamilton (ETA 2750) pilot's watch female stem part chronometer watch was within 7 seconds

watch was within 7 seconds a day (dial up) with an amplitude of approximately 300 degrees

Comes with a new old stock leather band

The watch is has been timed on our timing machine and is running and keeping reasonable time

Stainless steel snap-on back is inscribed with the following:

Hamilton (ETA 2750) pilot's watch female stem part chronometer watch was within 7 secondsONE female stem part with threads for a crown that snaps into male portion inside movement for the Hamilton military issue GG W 113 or similar (ETA 2750). This part is used in the Hamilton issue one piece cases where a two piece winding arbor (stem) is required. We also have the male part. NOTE: We have other WW2 and later military parts. Email us with your needs.