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/fa/ - Fashion

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>> No.17984441 [View]
File: 123 KB, 592x794, Hamilton-Cal.-505-Diagram.jpg [View same] [iqdb] [saucenao] [google]
17984441

>>17984432
That's not how we define movements though. They're categorized by their oscillating element. And a Spring Drive is a quartz, as the timekeeping element is a quartz crystal. An Accutron is a tuning-fork. A Hamilton Electric is pure electric balance watch. Later electrics are rather transistorized electronics, but the balance design is similar.

And that's not swiss lever either. Not even close.

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