The Eco-Drive Silhouette series features petite, feminine watches with the convenience of Eco-Drive - no batteries to change, ever Genuine Swarovski Crystals are a beautiful accent on the sides of the case and on the top bracelet links Solid Stainless Steel Case and Bracelet with Gold-Tone Plating Jewelry style clasp 8 Month Power Reserve - For carefree, reliable operation - and is continually charging whenever exposed to any type of light Low Charge Indicator and Time Reset Advisory just in case it needs extra light exposure. Water-Resistant