4mm Square Matte Gunmetal Grey Resin and Stainless Steel Case

The GA-2200SKL-4AER has an eye-catching red colour design and features a lightweight Carbon Core Guard structure

the watch offers stopwatch

Frame Size: Lens: 52mm | Bridge: 23mm | Temple: 140mm

U-Boat Darkmoon 42 Oil Immersion Men’s Black Watch size-a-62 4mm Square Matte Gunmetal GreyU Boat Darkmoon Black SS Ref. 9018 B is inspired by the dark side of the moon, expressing pure contrast and depth through U Boats signature oil immersion technology that intensifies the black dial and enhances legibility. Powered by the Swiss Ronda 712. 3 quartz movement, lubricated in an oil bath, this model delivers precise hours and minutes timekeeping. The oil filled case creates the illusion of an absent crystal, while a visible air bubble