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Watchmaker Masahiro Kikuno's temporal hour wristwatch, documentary [video]
- Wxc2jjJmST9XWWL 6y agobtw : he has been featured on HN at least twice before 2019 https://news.ycombinator.com/item?id=19011880 https://news.ycombinator.com/item?id=19011880 2017 https://news.ycombinator.com/item?id=14610110 https://news.ycombinator.com/item?id=14610110