Hamilton Model 21 WW2 Ship Chronometer Trip Spring chronometer Hard to find this watch

Hard to find this watch in this original condition

We also have the repair manual for sale that we can download

WW2 ERA NAVY AERO NAVAL clock in fine condition circa 1943-1945

Note we service these and have other parts for sale

& glass crystal

Hamilton Model 21 WW2 Ship Chronometer Trip Spring chronometer Hard to find this watchThis 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.