U-Boat Classico Tungsten Chrono 45MM Black Dial WatchU-Boat Watches
MOVEMENT:automatic mechanical chronograph modified and personalized at U-Boat specifications for date display and stem position at 9 o’clock. Frequency 28.800 vibrations per hour; 4 Hz. Power reserve 44 hours. 25 Jewels. Height 7mm.
FUNCTIONS:hours, minutes, chronograph, counter small seconds at 3, counter 12 at 12, counter minutes at 6. Date window at 9 o’clock.