U-Boat Sommerso Ceramic Green Bracelet Ref. 9520/MT is built for adventure without limits, combining refined Italian design with true professional dive performance and the confidence of a solid metal bracelet.

At its core is the Swiss Sellita SW200 automatic mechanical movement, customised to U-Boat specifications and operating at 28,800 vibrations per hour with a 41-hour power reserve. The watch delivers hours, minutes, seconds, date, and a 24-hour indicator, supported by a unidirectional rotating bezel with a two-tone green and black ceramic insert.

The 46mm satin-finished stainless steel case is engineered for extreme underwater use, offering an impressive 300 metres of water resistance. Finished with a sapphire crystal featuring anti-reflective treatment and date magnifier, and paired with a robust stainless steel bracelet with deployant clasp and micro-adjustment system, this Sommerso delivers strength, precision, and unmistakable U-Boat character.

Questions & Answers

• Is the Sommerso Ceramic suitable for professional diving? Yes, it offers 300 metres water resistance and a unidirectional rotating bezel.
• What movement powers this watch? It uses the Swiss Sellita SW200 automatic movement customised by U-Boat.
• What makes the bezel special? The two-tone green and black ceramic insert features Superluminova references for visibility.
• Does the bracelet offer adjustment? Yes, it includes screw-in links and a deployant clasp with micro-adjustments.
• Is the dial luminous? Yes, the hands, indexes, and numerals are treated with Superluminova.