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A comment on The Apple Watch. Parent comment

Re:The Apple Watch by Cookingboy on Wednesday April 08, 2015 @11:05PM (#9345620)
The balance wheel oscillates at 8 beats per second, but it requires 2 beats to complete a full second "tick", so most modern mechanical watches actually tick at 4 times per second.

http://en.wikipedia.org/wiki/Balance_wheel#Period_of_oscilla...

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Re:The Apple Watch by sanoli on Thursday April 09, 2015 @01:52PM (#9349528)
It is 8 ticks per second. Look at this video of the hand up close (it's a 28800 bph movement):

https://www.youtube.com/watch?v=FxgahvNH3q0

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