Ladies' Essentials. With a grooved bezel, cabochon crown, and finely crafted bracelet, this stainless steel timepiece is a sleek representative of the solar-powered Essentials collection by Seiko. Highlights of silver add contrast to the patterned blue dial. 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. 50M Water Resistant Features: Matching men's SNE507.