Seiko Ladies' Crystals. This ladies' jewelry-inspired timepiece is designed with a stainless steel rectangular case with gold highlights and bangle with adjustable links featuring a mother-of-pearl dial with Swarovski Crystals adorning the bezel. Powered by any light energy, its Solar Cell is energy-efficient with a 12-month power reserve once fully charged. No battery change is required. 30M (3bar) Water Resistant