Hamilton Model 21 WW2 Ship Chronometer Gymbol Ring Lock

This is an inspected used vintage Gymbol Ring Lock for a Hamilton model 21 Ship Chronometer from a former chronometer repair shop. The model 21 is the large spring detent escapement chronometer. 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.