U-Boat Sommerso Bronze Diver Men’s Black Watch

U-Boat Sommerso Bronzo Ref. 8486 combines the raw beauty of naturally aged bronze with professional dive performance, resulting in a timepiece that evolves over time and develops a unique character on every wrist.

Powered by the Swiss Sellita SW200 automatic mechanical movement, customised to U-Boat specifications, this model operates at 28,800 vibrations per hour with a 41-hour power reserve. It delivers hours, minutes, seconds, date, and a 24-hour indicator, supported by a unidirectional rotating bezel and a secure screw-down crown.

The 46mm naturally aged bronze case is engineered for demanding underwater use, offering an impressive 300 metres of water resistance. Finished with a sapphire crystal featuring anti-reflective coating and paired with a handcrafted dark brown calf leather strap and bronze buckle, this Sommerso Bronze blends heritage materials with unmistakable U-Boat diving DNA.

Questions & Answers

• What makes the bronze case unique? The natural bronze ages over time, developing a distinctive patina unique to each watch.
• Is this watch 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.
• Does it include a 24-hour indicator? Yes, the watch features a dedicated 24-hour hand.
• Is the strap handcrafted? Yes, the calf leather strap is handmade and hand-finished.