U-Boat Men's 'Classico' Mechanical Hand Wind Titanium and Rubber Sport Watch, Color:Black (Model: 2280) Imported Displays hours, minutes, seconds and date at 3 on superimposed dials. Natural grade 2 Titanium case. Exclusive crown protection device, helium escape valve, and serial engraving on stainless steel on left hand side. Powered by 17 jewels with 18000 vibrations per hour. Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving