1. robinette3

    robinette3 Nov 12, 2016

    Posts
    12
    Likes
    1
    Has anyone tried the hairspring app? Apparently you put you mobile device microphone aginst your watch back and it will measure the accuracy based on the ticking. Just wondered if anyone has tried it.
     
  2. imagwai

    imagwai Nov 12, 2016

    Posts
    1,683
    Likes
    1,431
    Just given it a quick try ("lite" version). It locked onto the tick of my watch but told me it was 0.0 mins/day fast/slow. I know it gains a few secs per day, so not sure how accurate the app is.
     
  3. elbeik

    elbeik Nov 13, 2016

    Posts
    1,788
    Likes
    1,312