This invention describes a watch that has a camera built into its housing. Uniquely, the camera takes pictures of things *behind* the watch, through its back side, and then shows those pictures on the watch's front display. A key feature is a light that can illuminate a scene when the watch is off the wrist, or shine on the wrist for health monitoring when worn, using different types of light for each purpose.
Why it matters: The filing predates further miniaturization of camera and multi-spectral light components. Integrating a capable back-facing camera and a dual-purpose light for both scene capture and physiological sensing into a watch is now more practical due to advances in component density and power management.
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