U-Boat Launches Summerso Bronze

U-Boat Launches Summerso Bronze

We are pleased to see that the Sommerso pro-diver watch, born from Italo Fontana’s passion for scuba diving, in its most acclaimed version in bronze that recalls ancient marine exploration equipment, is now launched in a new model with a ceramic bezel.

Always fascinated by contrasts, Italo combines the bronze of the 46 mm case, with its vintage look emphasised by natural oxidation, with the ceramic used for the new circular ring placed on the bezel, the latter essential requirement of any professional diving watch.

This ceramic, widely used in the aerospace industry, boasts a very high heat resistance and keeps the bezel colour intense, and unaltered over time, even after long exposure to ultraviolet rays. The challenging of himself, experimenting new things, the freedom of his creativity and the having fun have all always been firm points of the lifestyle as well as the creative universe of the U-BOAT designer from Lucca.

The watch features on the left side the iconic U-BOAT crown with its patented protection device as well as a plaque engraved with the serial number while the antiqued bronze back-case has been subjected to a special anti-corrosion treatment and it is screwed down.

A sapphire crystal with anti-reflective treatment protects the black dial of the watch with luminous beige hands and markers plus an additional 24-hour counter and date window placed at 9 o’clock. The watch boasts a Swiss automatic mechanical movement, customised to U-BOAT specifications with date, hours, minutes, seconds and it is water resistant to a depth of 300 meters.

The Sommerso Bronze Ceramic Bezel, watch with iconic lines for professional diving and for any other occasion, will fascinate the wearer for the vintage look given by the gradual change of bronze as opposed to the solidity and immutability of ceramic over time.

For more information please visit https://www.uboatwatch.com/EN

Technical Specifications:


Swiss automatic mechanical, personalized to U-BOAT specifications. Frequency: 28,800 vibrations per hour. Power reserve: 44 hours. 26 jewels. Skeletonised rotor.


Date, hours, minutes, seconds, 24h indicator. Graduated unidirectional bezel with ceramic inserts and lasered graduations and numerals, screw down crown.


Bronze, naturally aged, distinguishing crown on the left side, with a patented protective device. Serial number plate fixed on the left side of the case. Diameter 46 mm.


Sealed with seven screws, in bronze with special antiqued anti-corrosion treatment.


Three superimposed dials, the upper one in black with visible ruby. Luminous beige hands, numbers and markers, treated with superluminova. Red 24h indicator hand.


Sapphire crystal with anti-reflective coating for perfect legibility of the dial.


300 mt, 30 ATM


Hand made and hand finished calf leather, dark brown. Tongue buckle in bronze with special antiqued anti-corrosion treatment. Width: 22/20mm. Strap: ref. 8554/Z Buckle: ref. 8590

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