automatic mechanical chronograph personalized to U-Boat specifications for date display and stem to be positioned at 9 o’clock. Frequency: 28.800 vibrations per hour, 4 Hz. Power reserve: 44 hours. 25 jewels. Height: 7 mm.
hours, minutes, small second, chronograph 60 s, counter 12 at 12, counter 30 minutes at 6. Date window at 9 o’clock.
in black ceramic, with subsequent sand blast or shiny finish, internal steel case. Diameter 50 mm. Special crown protection device on the left side, serial numbering between the horns of the case. Thickness 17,00 mm. Weight 140,00 gr.
see-through, screwed in. Personalized rotor, in silver, build with a base and 3 bridges fixed with blue screws.
black matt with brown hands and index, in high relief. Arabic numbers.
sapphire, scratchproof, 2,00 mm thick.
100 mt, 10 ATM.
in hypoallergenic rubber and brown gold alligator inset, black tongue buckle in steel with U-Boat personalization. Width 23/20 mm. Colour retain treatment, fasten to the case with screws.
50mm – ref. 7094 D – $7,000
U-BOAT STRAP GOMMA/ALL.GOLD IPB 23/20