Dear Jack and all. I think you are right. It would not be a real sundial. but will tell you the same or more than a sundial. At the moment the only wristwatch with solar time I know (excluding unaffordable complications) is the Yes watch: http://www.yeswatch.com/wrist-watch/timekeeper/zulu.html?id=7nhzFgHP Does anyone knows more? Yours Miguel Garcia
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