Innovative steel crown release system (patented) at 7 o’clock for easy time and date setting.
automatic chronograph modified and personalized at U-BOAT specifications. Personalized rotor, in silver 925, 3 bridge construction, rhodium plated and fixed with blued screws.
Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 48 hours. 25 jewels.
hours, minutes, seconds, chronograph, date.
43 mm diameter case in naturally aged bronze and AISI 316L stainless steel with subsequent PVD coating treatment. The bezel and the back of the case are locked together by external tubing and a customized key that ensure absolute water resistance. Distinguishing crown on left side, with a patented protective device.
two superimposed dials, one treated with composite pigments and laser cut on the counters, indexes and numbers, the second one in matt bronze color, cut and printed.
hour and minute laser cut hands, hands brushed on the surface, seconds hand and hands of the counters in bronze color, hand brushed.
fumé sapphire curved on the front, anti reflective treatment and flat sapphire on the back of the timepiece, double gasket sealing.
100 mt, 10 ATM.
handmade and hand finished calf leather strap, carefully selected and processed following the U-BOAT specifications with waxed cotton finishing.
Tongue buckle in naturally aged bronze. Width: 20/20 mm.
The colour shade of the untreated bronze changes naturally over time, making each watch completely original and one of a kind, with a natural vintage appearance.