U-Boat Classico 50mm Tungsteno AS 1-8073/8092
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 and laser cut rotor.
Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 38 hours. 25 jewels.
hours, minutes, seconds, date, 24h indicator, crown release lever.
stainless steel AISI 316L, satin hand finish, distinguishing crown on left side, with a patented protective device.
Diameter 50 mm. Bezel ring in polished tungsten. Serial number engraved on a small plate fixed on the side of the case.
sealed with seven external screws, opening U-shaped sapphire fumé crystal with movement view.
black with visible ruby. Arabic numerals, hands and markers luminous beige.
high quality sapphire, anti-reflection treatment.
100 mt, 10 ATM.
handmade and hand-finished dark brown calf leather. Stainless steel tongue buckle.
Width: 23/22 mm.
Strap: ref. 4765/Z Buckle: ref. 1763/SCREWS