Innovative crown release system (patented) at 8 o’clock for easy time and date setting.
automatic mechanical, personalized to U-BOAT specifications for stem to be positioned at 9 o’clock.
Laser cut rotor as by U-BOAT specifications.
Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 38 hours. 25 jewels.
date, hours, minutes, seconds, 24h indicator.
stainless steel AISI 316L, satin hand finish, distinguishing crown on left side, with a patented protective device.
Diameter 45 mm. Bezel ring in polished tungsten.
sealed with seven external screws, opening U-shaped sapphire fumé crystal with movement view.
two superimposed dials, the upper one in black with luminous beige hands and markers.
sapphire with anti-reflective coating.
100 mt, 10 ATM.
handmade and hand-finished dark brown calf leather. Stainless steel tongue buckle. Width: 20/20 mm.