U-Boat Classico U-47 47mm Bronze -7797
swiss automatic mechanical, personalized to U-BOAT technical specifications. Skeleton balance wheel.
Frequency: 28,800 vibrations per hour. Power reserve: 38 hours. 25 Jewels.
hours, minutes, seconds, date.
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.
screwed in, fumé glass showing the movement, special anticorrosive antiqued treatment.
three superimposed layers, matt black with visible ruby. Luminous beige hands, numbers and markers.
high quality sapphire with anti reflective treatment.
100 mt, 10 ATM.
brown calf leather, tongue buckle in bronze special anticorrosive antiqued treatment.
Width: 23/22 mm.
Strap: ref. 7792/Z Buckle: ref. 8142
The untreated bronze has a natural changing of its shades with time, this makes each watch one of a kind.