swiss automatic mechanical, personalized to U-BOAT specifications.
28,800 vibrations per hour.
38 hours. 25 jewels. Skeleton balance wheel.
date, hours, minutes, seconds, 24h indicator, graduated uni directional bezel, screw down crown.
stainless steel AISI 316L, satin hand finish, distinguishing crown on the left side, with a patented protective device. Serial number plate fixed on the left side of the case. Diameter 46 mm.
sealed with seven external screws.
sapphire crystal with anti-reflective coating, lent on the date window. Water Resistance:
300 mt, 30 ATM