The second sub-dial at the 6 o'clock position

Stylish and versatile

thanks to the contrasting luminous hands and applied indexes

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

U-Boat Classico 45 Tungsten Chronograph Men’s Green Watch Case Width_24mm The second sub-dial at theU 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