Description
Watchmaker’s mainspring gauge. This is an antique brass item and the patina is truly stunning. Use this to measure mainsprings in both pocket watches and wrist watches. It will look great on your workbench or out for display. As you can see in the pictures, there is some light oxidation to the metal, but no active rust. I’ve lightly cleaned it and applied a thin coating of beeswax to ensure that it will remain in excellent condition for years to come.
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