Here is a neat watch that displays a cool optical illusion with black light LED technology. The hour, minute, and second hands reflect into infinity at the touch of a button. The Infinity Optics Watch is powered by two batteries (one for movement and the other for the light).
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Infinity Optics Watch with Optical Illusion 👁️ Gadgetify
The Infinity Optics Watch has a heavy duty metal case with a stainless steel back. The above video shows how it works.
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