- 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.