U-Boat Classico IPB Black Diamonds 40MM WatchU-Boat Watches
MOVEMENT: automatic mechanical, personalized to U-Boat
specifications for stem to be positioned at 9 o’clock.
Aiguillage adjusted: H4. Frequency: 28.800 vibrations per hour,
4 Hz. Power reserve: 40 hours. 25 jewels. Height: 4,60 mm.
FUNCTIONS: hours, minutes, seconds, date at 3 o’clock.