automatic mechanical chronograph, modified and personalized to U-BOAT specifications.
Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 48 hours. 25 jewels.
hours, minutes, seconds, chronograph, date.
53 mm diameter, titanium with IP Black treatment.
Distinctive crown on left side with patented protection device.
Matt finish ceramic bezel fixed to the case by six personalized screws.
two superimposed dials, black. Beige colour hands and indexes treated with superluminova.
200 mt, 20 ATM.
handmade from hand-finished calf leather fastened to the case with screws. Tongue buckle in titanium. Width 23/22 mm.