U-BOAT Classico 50 TUNGSTENO MOVELOCK REF. 8073 SELF-WINDING CAL. U-28

Innovative crown release system (patented) at 8 o'clock for easy time and date setting.

MOVEMENT: 
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.

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 50 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, opening U-shaped sapphire fumé crystal with movement view.

DIAL: 
black with visible ruby. Arabic numerals, hands and markers luminous beige.

CRYSTAL: 
high quality sapphire, anti-reflection treatment.

WATER RESISTANCE: 
100 mt, 10 ATM.

STRAP: 
handmade and hand-finished dark brown calf leather. Stainless steel tongue buckle.
Width: 23/22 mm. 
Strap: ref. 4765/Z Buckle: ref. 1763/SCREWS