U-Boat Men's 1215 Classico Watch Displays hours, minutes, seconds and date at 9. IPB treated stainless steel case and 22k gold U-Boat logo stamped rotor. Exclusive crown protection device, custom-made for U-Boat, in 18k yellow gold on left side. Powered by 25 jewels with 28800 vibrations per hour. Water resistant to 165 feet (50 M): suitable for swimming and showering