J, like the initial of the legendary racing yachts that inspired the J12: the J Class. The case consists of a single middle section made from one piece of highly resistant white ceramic. The non screw-down steel crown can be easily recognised by its highly resistant white ceramic cabochon. The fixed steel bezel features a white polished sapphire ring. The white lacquered dial is set with 12 diamond hour markers (~0. 06 carat).The hands are rhodium-plated and coated with a luminescent material applied by hand such that they are immediately legible. The quartz movement is of the highest precision and reliability. The bracelet is made of highly resistant white ceramic links, which have been assembled by hand. The triple-folding buckle in steel is composed of 4 elements meticulously assembled by hand. Hours, Minutes, Seconds