Classic watches, watchmaking, antique tools, history, vintage ephemera and more!

Learn about mechanical timepieces and how they work, the history of the American watch industry and especially all about the Elgin National Watch Company! Check back for new content daily.

Although this is technically a blog, the content is not generally in a time-based sequence. You can find interesting items throughout. Down the page some is an alphabetical word cloud of keywords used here. A great way to dig in is to look through those topics and click anything you find interesting. You'll see all the relevant content.

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Of Broken Mainsprings

When working on an old watch it's not unusual to find a broken mainspring. Usually, they break in one, or maybe two places. This can happen simply because of age, and with the stress of being coiled and uncoiled many times.

Sometime though you find something more like the spring shown here in this 18 size, key-wind Elgin. The top of the barrel was loose and came right off with the bridge.

Yep, I think it'll need a new spring!
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