I suppose technically you could wear it all on your arm. But the watch comes off.
https://www.inexhibit.com/case-studies/seiko-uc-2000-1984-the-dawn-of-wearable-computers/
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I suppose technically you could wear it all on your arm. But the watch comes off.
https://www.inexhibit.com/case-studies/seiko-uc-2000-1984-the-dawn-of-wearable-computers/