Sundial Watch

by Jamso's Factory

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The Sundial Watch will tell you the right time if you are at 40º latitude, position the hour plane parallel to the ground, and orient the gnomon towards the south/north on a sunny day. Sometimes it also tells the time correctly by coincidence. Note: You will need to purchase a watch strap separately. I bought this one on amazon and it fits perfectly! Boost MePlease boost my dumb inventions :D This model is based on a drawing I made some years ago: