U-Boat Classico 45 Tungsten Chronograph Men’s Green Watch

U-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 integrated, driven by a skeletonised rotor visible through the caseback.

The robust 45mm stainless steel case is accented by a scratch-resistant polished tungsten bezel, while the deep green dial with beige Superluminova detailing provides refined contrast and legibility. Completed with a naturally aged black leather strap handcrafted in Italy, this chronograph embodies endurance, craftsmanship, and unmistakable U-Boat character.

Questions & Answers

• What movement powers this watch? It uses the Sellita SW 500 automatic chronograph movement, modified to U-Boat specifications.
• Does it include chronograph functions? Yes, it features a full chronograph, date display, and 24-hour indicator.
• How long is the power reserve? Approximately 62 hours when fully wound.
• Is the movement visible? Yes, the caseback includes a sapphire crystal opening to view the skeletonised rotor.
• Is it suitable for daily wear? Yes, the durable construction and leather strap make it well suited to everyday use.