Introducing the U-Boat Darkmoon 44mm BK Brown Vintage, a timepiece that marries Swiss precision with exquisite design. Powered by the Ronda 712.3 quartz movement, immersed in an oil bath for optimal performance. The AISI 316L stainless steel case, treated with aged bronze PVD, is filled with a special oil enhancing the dial's deep black effect. Noteworthy features include a visible air bubble for temperature compensation and a distinctive left-side crown guard. With a curved sapphire crystal and a water resistance capacity of up to 50 meters this watch is a fusion of sophistication and durability.