Citizen Men's BM0194-53L Eco-Drive Two-Tone Stainless Steel Watch Light powered eco-drive Japanese-quartz movement; charges in natural sunlight or indoor light Durable, hardened mineral crystal Case diameter: 38 mm Two-tone stainless steel case; blue dial; date function Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion