Case 45 mm, 18k Gold, white and black Diamonds. One of the most exclusive and luxurious timepieces in the brand's collection. 45 mm case, made from 18 carat gold and completely covered in 11K diamonds. The diamonds differ in size, with some set backwards for a spiked look. MOVEMENT: automatic mechanical, personalized to U-BOAT specifications. Personalized rotor in gold 22K. Power reserve: 38 hours. FUNCTIONS: hours, minutes, seconds, date. CASE: solid 18K gold, satin hand finish, 45 mm diameter, yellow gold (2N). Distinguishing crown on left side, with a patented protective device. 18K gold cap crown. Gold total weight 108.25 gr. White and black diamonds, patiently set one by one on the case and buckle. Reversed diamonds on the carrure. BACK: 18K solid gold, sealed with 8 external screws. DIAL: with visible ruby. The dial is made up of two superimposed dials, one in 18K gold and the other cut and treated with high technology composite opaque black pigments, also used in the production of military devices. CRYSTAL: high quality sapphire, fumé. STRAP: hand made and hand finished alligator black leather, square scale, 18K gold tongue buckle, with black diamonds set on the side of the buckle. Width: 20/20 mm. Strap: ref. 1659/Z Buckle: ref. 5525/D