caption: An amazing Abacus watch -- with a ball moving over the face of the watch with the flow of the wearer's arm movement. As soon as the Abacus is in a horizontal position the ball moves, by magnetism, to the right point showing the time. Cool Watches, Fashion Watches, Minimalist Fashion, At Least, Modern Design, Cool Designs, Geek Stuff, Bling, Stuff To Buy
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