U-BOAT Classico U-47 BRONZE Ref. 7797 U-28 Swiss Self-Winding Caliber

MOVEMENT: 
swiss automatic mechanical, personalized to U-BOAT technical specifications. Skeleton balance wheel.
Frequency: 28,800 vibrations per hour. Power reserve: 38 hours. 25 Jewels.

FUNCTIONS: 
hours, minutes, seconds, date.

CASE: 
in aged bronze, distinguishing crown on left side, with a patented protective device. Diameter 47mm. 
Serial number engraved on a small plate fixed on the side of the case.

BACK: 
screwed in, fumé glass showing the movement, special anticorrosive antiqued treatment.

DIAL: 
three superimposed layers, matt black with visible ruby. Luminous beige hands, numbers and markers.

CRYSTAL: 
high quality sapphire with anti reflective treatment.

WATER RESISTANCE: 
100 mt, 10 ATM.

STRAP: 
brown calf leather, tongue buckle in bronze special anticorrosive antiqued treatment.
Width: 23/22 mm.

The untreated bronze has a natural changing of its shades with time, this makes each watch one of a kind.