U-Boat Men's 'Thousands of Feet' Swiss Automatic Ceramic and Leather Sport Watch, Color:Black (Model: 1890) Displays hours, minutes, seconds chronograph with counter at 12 for hours, 6 for minutes & 3 for seconds plus date at 9. A serial engraved case in IPB treated stainless steel with a high quality sapphire crystal. Superimposed dials, movement window and locking back screws. 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