Hamilton Model 21 WW2 Ship Chronometer Trip Spring

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Description

Hamilton Model 21 WW2 Ship Chronometer Trip SpringThis 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.

The near mint back dial makes this watch look even "sharper" than the standard cream color dial

you are getting the stem and crown only

The model 21 is the large spring detent escapement chronometer shown in the third picture

We recommend regular servicing for best results

Photo of model 21 movement for display purposes only

(Hamilton Watch Company) mechanical (wind up) movement

Movement is a 6/0 - B 16-jewel mechanical (wind up) movement with hacking device

Watch length: 38

and timed on our timing machine and is running and keeping excellent time to within 30 seconds a day in all positions

Watch winds and sets fine and the Hack function works properly

This model has an unusual and unique "Golf Ball" dial and a red pointer tipped sweep second hand

scratch resistant sapphire crystal