
The Story
U-Boat Sommerso Ceramic Blue Ref. 9519 is engineered to face the depths with confidence, combining robust dive performance with the unmistakable grit and identity of U-Boat design.
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 with a blue and black ceramic insert.
The 46mm satin-finished stainless steel case is built for extreme conditions, offering an impressive 300 metres of water resistance. Finished with a sapphire crystal featuring anti-reflective treatment and date magnifier, and paired with a durable black vulcanised rubber strap, this Sommerso Ceramic Blue is ready for both professional diving and everyday wear.
Questions & Answers
- Is the Sommerso Ceramic suitable for serious 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 distinctive? The blue and black ceramic insert features Superluminova references for visibility underwater.
- Does it include a date display? Yes, the watch includes a date function with magnifying lens.
- Is the strap suitable for active use? Yes, the vulcanised rubber strap is designed for durability and comfort.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
U-Boat Sommerso Ceramic Blue Ref. 9519 is engineered to face the depths with confidence, combining robust dive performance with the unmistakable grit and identity of U-Boat design.
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 with a blue and black ceramic insert.
The 46mm satin-finished stainless steel case is built for extreme conditions, offering an impressive 300 metres of water resistance. Finished with a sapphire crystal featuring anti-reflective treatment and date magnifier, and paired with a durable black vulcanised rubber strap, this Sommerso Ceramic Blue is ready for both professional diving and everyday wear.
Questions & Answers
- Is the Sommerso Ceramic suitable for serious 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 distinctive? The blue and black ceramic insert features Superluminova references for visibility underwater.
- Does it include a date display? Yes, the watch includes a date function with magnifying lens.
- Is the strap suitable for active use? Yes, the vulcanised rubber strap is designed for durability and comfort.
























