Case 45mm, Stainless Steel, Tungsten.
Bezel realized in the hardest of all metals, Tungsten. Innovative and patented system enabling ease of adjustment for both the date and time.
Movement: Automatic mechanical, personalized to U-BOAT specifications for stem to be positioned at 9 o’clock. Skeletonized rotor as by U-BOAT specifications. Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 48 hours. 25 jewels.
Functions: Hours, minutes, seconds, date, 24h indicator, crown release lever.
Case: 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. Serial number engraved on a small plate fixed on the side of the case.
Back: Sealed with seven external screws, U-shaped window with sapphire fumé crystal, showing the movement.
Dial: Three superimposed layers, beige with visible ruby. Arabic numerals, hands and markers luminous black.
Crystal: High quality sapphire, with anti-reflection treatment.
Water Resistance: 100 mt, 10 ATM
Strap: Handmade and hand-finished brown calf leather. Stainless steel tongue buckle. Width: 20/20 mm. Strap: ref. 4273/Z Buckle: ref. 5466/SCREW