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A monochromatic close-up of a futuristic watch with a grid-patterned face and an electronic circuit, LED, and photodiode on the band.

A monochromatic close-up of a futuristic watch with a grid-patterned face and an electronic circuit, LED, and photodiode on the band.

On a sports watch, create a schematic that includes a representation of a transparent solar cell integrated into the watch face or dial. Moreover, on the watch band, add an integrated, ultra-thin electronic circuit along with an LED and a photodiode for oximetry. See more