Zenith Defy Lab 15Hz?
What ever happened to this single piece 15Hz mechanical oscillator? Monocrystalline silicon is extremely brittle, so I suppose I know the answer, but this thing just sort of vanished. It was claimed to only lose a quarter second per day.
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I decided recently that I would like to have a watch that I enjoy looking at, rather than just a tool on my arm. I'm not sure yet how I feel about spending money for this purpose, so I didn't want to...
Texas
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Last active: 7 months ago
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https://inventor.zenith-watches.com/en/
AFAIK it's concept that is basis for inventor model (18Hz)
Yep, insane thing :)