Protected by sapphire glass crystal

expressing depth and minimalism through U-Boat’s signature oil immersion technology that intensifies the black dial and enhances legibility

this sophisticated model blends everyday practicality with timeless elegance for women who appreciate craftsmanship and style

A stainless steel five-link bracelet with deployante clasp completes the design

this watch delivers reliable timekeeping while offering a refined exhibition caseback to admire its mechanical beauty

U-Boat Classico 45 Tungsten Chronograph Men’s Green Watch Case Width_24mm Protected by sapphire glass crystalU Boat Classico 45 Tungsten Chronograph Ref. 9581 A is a commanding expression of strength and elegance, defined by its solid tungsten construction and bold Italian design language. Powered by the Sellita SW 500 automatic chronograph movement, modified to U Boat specifications, this timepiece delivers exceptional mechanical performance with a 62 hour power reserve. Chronograph functionality, date display, and a 24 hour indicator are seamlessly