automatic mechanical, personalized to U-BOAT specifications for stem to be positioned at 9 o’clock.
Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 38 hours. 25 jewels.
date, hours, minutes, seconds, 24h indicator, graduated uni directional bezel, screw down crown.
stainless steel AISI 316L, satin hand finish, distinguishing crown on left side, with a patented protective device.
Serial number plate fixed on the side of the case. Diameter 46 mm.
sealed with seven external screws.
three superimposed dials, the upper one in black with luminous beige hands and markers.
sapphire crystal, anti-reflective coating, magnifying lent on the date window.
300 mt, 30 ATM.
black strap, in rubber with lining in calf with Kodiak water repellent treatment.
Stainless steel tongue buckle. Width: 22/22 mm.