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.
steel 316L AISI, sand blast with subsequent treatment of IP Black coating, vacuum application. Serial numbering between the case horns.
50 mm and 45 mm diameter. Thickness for 50 mm diameter: 17,00 mm;
for 45 mm diameter: 16,90 mm.
Weight for 50 mm diameter: 159 gr; for 45 mm diameter: 125 gr.
in black ceramic, shiny finish.
see through, screwed in. Personalized rotor, in silver, build with a base and 3 bridges fixed with blued screws.
black in carbon fibre with hands and markers in relief, silver colour. Arabic numerals.
sapphire, highly resistant, 2 mm thick.
100 mt, 10 ATM.
in hypoallergenic rubber and black alligator inset, hand made and hand finished, black tongue buckle with U-Boat personalization. Width for 50 mm diameter: 23/20 mm. Width for 45 mm diameter: 20/20 mm. Fastened to the case with screws, hypoallergenic and colour retain treatment.
50mm - ref. 7118 - $5,800
U-BOAT STRAP GOMMA/ALL.NERO IPB 20/20
45mm - ref. 7116 - $5,500
U-BOAT STRAP GOMMA/ALL.NERO IPB 23/20