Timberland Men's 'Chocorua' Quartz Stainless Steel and Nylon Casual Watch, Color:Black (Model: TBL_13326JPBU_02A) Quartz movement Case diameter: 44 x 53.5 mm Mineral glass with sapphire coating Durable material crystal Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving