Victorinox Swiss Army Men's 'Sea Plane' Swiss Quartz Stainless Steel and Rubber Sport Watch, Color:Black (Model: 24582) Precise Swiss-Quartz movement Scratch-resistant-sapphire crystal Case diameter: 40 mm Stainless-steel case; Black dial; Date function Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving