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..Wondering if anyone has an idea what the Smiths was used for..
Found these two, bought one. Wondering if anyone has an idea what the Smiths was used for; engraving on back perhaps an indication?
Took me awhile to figure out the reasoning for a 30 second stop watch. The size of the dial allows for much better precision and easier reading that with a 60 second per revolution watch, and the red inner markings allow one to time past thirty seconds.
I suppose the sub dial records minutes?