U-Boat Watch Classico 45 Bronzo A BR 8103. The U-Boat Classic collection represents Italos idea of the pure, timeless design that does not fade and die like passing fashions. His classic watches have been designed for men and women with a strong personality. The U-Boat watches Classico watch features a left hand crown placement with the characteristic U-BOAT crown guard. With its bold military inspired design, large dial and a metal plate fixed to the strap, it captures the essence of the companys popular style. This U Boat watch is made from stunning bronze, a material that will naturally age, corrode and change colour the more it is worn.