- automatic mechanical chronograph personalised 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: 7mm.
- Hours, minutes, small second, chronograph 60s, counter 12 at 12, counter 30 minutes at 6.
- Date window at 9 o’clock.
- Steel 316l AISI, sand blast with subsequent treatment of coating IP Black, vacuum application
- Special device protecting the crown, bezel and push button in steel, satin finish.
- Serial numbering between the case horns.
- Diameter: 45mm
- Height: 16.90mm
- Weight: 125g
- In black ceramic, shiny finish.
- See through, screwed in.
- Personalized rotor, in silver, build with a base and 3 bridges fixed with blue screws.
- Black in carbon fibre with hands and markers in relief, silver colour.
- Arabic numerals.
- sapphire, highly resistant, 2mm thick.
- 100 mt, 10 ATM.
- In hypoallergenic rubber and black alligator inset, hand made and hand finished
- Black tongue buckle with U-Boat personalisation, fastened to the case with screws, hypoallergenic and colour retain treatment.
- Width: 20/22 mm.