U-BOAT Classico 50 Tungsteno CAS 1 Movelock Ref. 8077 Swiss Made Self-Winding Chronograph Caliber

OVEMENT: 
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.

FUNCTIONS: 
hours, minutes, seconds, chronograph, 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 50mm. 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, opening U-shaped sapphire fumé crystal with movement view.

DIAL: 
three superimposed dials, black. Arabic numerals, hands and markers beige treated with superluminova.

CRYSTAL: 
high quality sapphire, anti-reflective blue coating.

WATER RESISTANCE: 
100 mt, 10 ATM

STRAP: 
handmade and hand-finished dark brown calf leather.
Stainless steel tongue buckle. Width: 23/22 mm