automatic mechanical, personalized to U-BOAT specifications for stem to be positioned at 9 o’clock.
Aiguillage adjusted: H3. Laser cut rotor as by U-BOAT specifications.
Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 38 hours. 25 jewels.
hours, minutes, seconds, date.
stainless steel AISI 316L, satin hand finish, distinguishing crown on left side, with a patented protective device.
Diameter 50 mm. Serial number engraved on a small plate fixed on the side of the case.
Bezel ring in polished tungsten.
sealed with 8 external screws, small window with sapphire crystal showing the balance wheel movement.
three levels, beige with visible ruby. Arabic numerals, hands and markers luminous black .
sapphire with anti-reflection treatment.
100 mt, 10 ATM.
brown, hand made and hand finished calf leather, stainless steel plate, deployante buckle.
Width 23/22 mm.