Simulated Ruby Color Crystal Jewelry Clock Watch Water resistant - waterproof Finger Watches body prevents water from going in Adjustable time knob & Wind - pull out the Red crystal style Stone Finger Ring Watches knob to adjust time Artwork - high crafted finishing and polished, make the Finger Watches workpiece Jewelry design - Fashion Jewelry Finger Ring Watches are very charming for all occasions Precision - Quartz Clocks gain or lose several seconds within one year