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& glass crystal
We also have the repair manual for sale that we can download
We also have the female part that snaps onto it
Hard to find this watch in this original condition
Note we service these and have other parts for sale
Hamilton Model 21 WW2 Ship Chronometer Trip Spring chronometer & glass crystalThis is a "trip spring" for the spring detent (shown in picture to its right) for a Hamilton model 21 movement (last picture). Over time the end of the trip spring wears and it must be replaced. Note that we service these chronometers and have more parts. Email us with your needs. We also have the repair manual and can download you a copy. Photo of model 21 movement for display purposes only.
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