For example, the Seiko Velatura is a Quartz movement watch with a rotor as well to generate energy. It also has a crown to wind the winder to store energy in the watch. But overall the watch is a Quartz movement watch.
I find this very interesting concept of swapping watch abilities like for example the Casios have Solar powered ability and I wonder if there is an Automatic watch that have this function?
I also heard rumors about a watch that generate energy through the changes in temperature.
Is there anything like that out there?
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