Gucci G-Chrono Black PVD 60 Green Topaz Case Unisex Watch(Model:YA101349) High quality Swiss ETA quartz movement Case diameter: 44 mm Antireflective sapphire crystal Stainless steel with black PVD case and bracelet Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion