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U-Boat Classico U-47 stainless steel case black 47mm black leather strap black dial automatic movement swiss.
Swiss automatic mechanical, personalized to U-BOAT specifications for stem to be positioned at 9 o’clock. Skeletonized rotor as by U-BOAT specifications. Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 44 hours. 26 jewels.
three superimposed layers, black with visible ruby. Hands, numbers and markers treated with superluminova beige.
47 mm diameter in AISI 316L, with subsequent IPB treatment, distinguishing crown on left side, with a patented protective device. Serial number engraved on a small plate fixed on the side of the case.
hours, minutes, seconds, date.
high quality sapphire with anti reflective treatment.
100 mt, 10 ATM.
screwed in, fumé glass showing the movement.
laser cut strap handmade from hand-finished calf leather and processed according to traditional artisan techniques to give the strap a naturally distressed look and feel, black color. Width: 23/22 mm. Strap: ref. 9385/Z. Steel tongue buckle. Buckle: ref. 1764/SCREWS