Weishi 1000 timegrapher versus Seiko MM200 Helm Smiths Albany and Citizen automatics

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=nhusZWv2LE0

Hi guys, Been very interesting having a play with this timegrapher and the results really do vary a lot which leaves me a little undecided as to whether or n...

watch restoration, watch maintenance, wristwatch maintenance
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