Elgin Grade 315


This is an Elgin grade 315, 12 size, 15 jewels, made about 1933


This tool is used to adjust the sleeve in the neck of the case. The sleeve is threaded in so turning it adjusts the crown in and out to fit what the watch needs for setting and winding.

With the crown off, the top of the sleeve can be turned using the tool. It has many tips because there are many different styles of sleeves. In this tool shown isn't enough to cover all the possibilities. I actually have several of these tools.




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