JP C. Calimbas
July 24, 2020    |    

U-Boat’s Sommerso Bronze

An Homage to the Early Days of Diving

In creating a bronze version of his favorite dive watch, U-Boat founder Italo Fontana also pays tribute to the earliest nautical divers who braved the harsh conditions of deep diving using gear fashioned out of the first metal humans succeeded in manipulating. Bronze, highly resistant to seawater and stronger than stainless steel and iron combined has always intrigued the creator of the Sommerso, a watch he designed being a passionate diver himself. For him, being able to combine a professional dive watch designed to withstand the rigors of diving with a metal inherently tied to the maritime world was a winning combination. That each bronze watch would create a patina unique to each timepiece was the icing on the cake.


A nod to antique diving equipment worn by the earliest nautical divers is evident and empathized by the natural oxidation of the material of the 46mm case, which creates a naturally aged look, often a unique one, extremely desirable by its wearer. Necessary for every pro-dive watch, it features a rotating unidirectional bezel with calibrated markers every five minutes interspersed with numbers every ten minutes from 10 to 50. On its left side is the characteristic U-BOAT crown with a patented protective device. A Sapphire crystal with anti-reflective coating protects the watch dial which is composed of three superimposed layers with the upper one in black with luminous beige hands and markers plus an additional counter for the 24 hours of the day and the date placed on the opposite side.

Furthermore, the Sommerso boasts a swiss automatic mechanical movement, personalized to U-BOAT specifications featuring date, hours, minutes, seconds plus the 24 hours indicator. It also features a skeletonized rotor and a 44-hour power reserve.

Water resistant to 300 meters, the watch also paired the case with a dark brown handmade and hand finished calf leather strap with a bronze buckle subdued to a special anti-corrosion treatment.


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