In this episode Shahriar takes a look at the Raymond-Weil Blue Skeleton Freelancer wristwatch. The watch runs a little too fast. But before measuring its accuracy the internal structure of the watch as well as a few unique imaging of the watch mechanism are presented.
The teardown, theory of operation & measurements using a Multifunction Time Grapher No. 1000 is also presented. By using an external speaker in the place of the watch, the 8GHz oscillation of the watch can be emulated. It appears that the wristwatch runs 1mHz too fast resulting in gaining of about 12 seconds per day.
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https://www.youtube.com/watch?v=DEhWEKGwG2s