Photo-powered: Generates light and keeps moving when charging, so you don't need to replace batteries periodically
Easy to read dial: Simple design with attention to ease of viewing
Light enough to be worn with Japanese movement
Highly Waterproof: Safe to 10 ATM. / Diameter: Approx. 1.5 inches (38 mm). Unisex model that can be worn by both men and women
Set Includes: Main unit, blister pack, instruction manual (English language not guaranteed). Country of Origin: China. Can be used for approx. 3.5 months when fully charged