U-Boat Men's 'Classico' Swiss Automatic Stainless Steel and Leather Sport Watch, Color:Black (Model: 5565) Imported Displays hours, minutes, seconds and date at 3 on superimposed dials. Stainless steel case with a satin finish and a high quality sapphire crystal. Exclusive crown protection device, back of case sealed with 7 external screws and movement customized for U-Boat. Powered by 25 jewels with 28800 vibrations per hour. Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving