Citizen Men's BM8222-56P Eco-Drive Gold-Tone Day-Date Watch Light powered Eco-Drive Japanese-quartz movement; Charges in natural sunlight or indoor light Durable, hardened mineral crystal Case diameter: 35 mm Gold-tone-stainless-steel case; Champagne dial; Day/date function Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion