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"Hairspring" Watch timing app
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8 June 2017, 10:11 PM
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RonSwanson
"TRF" Member
Join Date: Apr 2017
Location: Michigan
Posts: 154
I've enjoyed Hairspring with many different mechanical watches. I've found if you use the white headset that comes with iPhone, and set the piece down so it traps the mic underneath, sometimes you can get a reading without popping the caseback.
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