Out of stock
Case 45mm, Stainless Steel, Tungsten.
Polished bezel in unscratchable tungsten, the hardest of all metals. Innovative and patented system enabling ease of adjustment for both the date and time.
Innovative crown release system (patented) at 8 o?clock for easy time and date setting.
automatic mechanical chronograph modified and personalized at U-BOAT specifications for
date display and stem position at 9 o?clock. Laser cut rotor as by U-BOAT specifications.
Frequency 28,800 vibrations per hour; 4 Hz. Power reserve 48 hours. 25 Jewels.
hours, minutes, seconds, chronograph, date, 24h indicator, crown release lever.
stainless steel AISI 316L, satin hand finish, distinguishing crown on left side, with a patented
protective device. Diameter 45mm. Bezel ring in polished tungsten, Serial number engraved
on a small plate fixed on the side of the case.
sealed with seven external screws, U-shaped window with sapphire fum? crystal, showing the movement.
three superimposed layers, black. Arabic numerals, hands and markers beige treated with superluminova.
high quality sapphire, with anti-reflective treatment.
100 mt, 10 ATM
handmade and hand-finished dark brown calf leather.
Stainless steel tongue buckle. Width: 20/20 mm.
Strap: ref. 7738/Z Buckle: ref. 5466/SCREW