Hamilton Model 21 WW2 Ship Chronometer Balance Wheel ONLY

This is an inspected Balance Wheel ONLY (see photo: no staff, hairspring or roller table) for a Hamilton model 21 movement. This part is 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 for purchase that can be downloaded.

Photo of model 21 movement for display purposes only.