Citizen Women's EW8142-59A Eco-Drive Silhouette Swarovski Crystal Accented Gold-Tone Watch Light powered Eco-Drive Caliber B023 Japanese-quartz movement; charges in natural sunlight or indoor light Max power reserve: 1 Year; low charge warning: 14 days; charge time from stop state to max charge: Incandescent Light - 75 hrs, Outdoors, Cloudy (10,000 Lux) - 30 hrs, Outdoors, Sunny (100,000 Lux) - 7 hrs Durable, hardened mineral crystal; case diameter: 17 mm Gold-tone-Stainless-steel case; white dial Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion