Victorinox Swiss Army Men's 'Ambassador' Automatic Stainless Steel and Leather Casual Watch, Color:Black (Model: 241133) 46 hour power reserve Chronograph 12hr, 30 min, 60 sec Black calfskin leather with contrast stitching Case diameter: 45 mm Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving