By measuring the actual time taken, the accuracy of the watch can be evaluated. A watch running at 28,800 should have 8 clicks per second (28,800 per hour/60/60), and at 21,600 should have 6. I understand time-graphers work by listening to the tiny clicks made by the escapement as it changes direction and goes backwards and forwards, and measures the frequency of those clicks. As FMs are not able to find versions of this for I-phones, I guess there aren't any. It doesn't say on any of the apps I downloaded whether they are also available for I-phones.
WATCH TIMEGRAPHER ANDROID
I can only think the ticking isn't loud enough.įirst, I have an android phone. I've checked all my watches at around lunchtime, and most were what I expected, so I will check the actual results tomorrow. I found you had to put the watch around he phone so the dial lay flat on the phone. I did notice that the accuracy of that watch declined as the power reserve went down. The app said +11 seconds, and the actual time was +10. I was a tracking a phone for 4pm yesterday. You put your watch dial near your phone mic, press start, and it over a minute, it draws a line showing the accuracy.
The one they used on ebay (toolwatch) required you to login, but there was another one called "Watch Accuracy Meter" (actually, it might even have been our own in his Speedmaster for sale listing) I downloaded a few from the play store to see how they worked. I saw a watch for sale on ebay with a timing report from a mobile phone app. I have been considering a Weishi timegrapher, but they are all £160 plus on ebay now.
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