If anyone is interested in building a smartwatch:
https://www.theverge.com/2021/1/13/22229985/customizable-epaper-smartwatch-kit-arduino
https://www.theverge.com/2021/1/13/22229985/customizable-epaper-smartwatch-kit-arduino
Seems like this is the correct link to purchase this watch using some kind of kickstarter approach.
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