need specs for hamilton 917/921/923 >>>

[walter]

diameter of movement
thickness of movement
setback of stem centerline from dial-side (front) plate
diam

http://brown-snout.com/horology/misc/921_movt_specs.jpg

[Watch Carefully]

Hi Walter, I sent a note with 4 measurements I took. I hope they are sufficient.
Cheers,
Brad