Case 42 mm, Ceramic, White Diamonds, Rose gold 18 K. A wrist jewel that does not go unnoticed. This Classico U-BOAT with white ceramic case, is enriched by 39 white diamonds and rose gold details. MOVEMENT: U-28 automatic mechanical, personalized to U-BOAT specifications, with stem position at 9 o’clock. Frequency: 28.800 vibrations per hour, 4 Hz. Power reserve: 38 hours. 25 jewels. FUNCTIONS: hours, minutes, date. CASE: white ceramic, shiny finish, distinctive crown on left side with patented protection device. Diameter: 42 mm. Crown cover device parts, frame of the case plate, screws of the plate in rose gold 18 K. BACK: in ceramic, sealed with 6 gold external screws. DIAL: two superimposed dials, with 39 white diamonds set on indexes 12/4/8 (1 mm diameter). Visible ruby. Bâton indexes. Perforated spheres, shiny finishing, IPRG. CRYSTAL: high quality sapphire, scratchproof. WATER RESISTANCE: 50 mt, 5 ATM. STRAP: in white rubber, ceramic tongue buckle (tongue of the buckle and detail in rose gold, 18 K). Width: 20/18 mm. Extra strap in black suede, handmade and hand finished, ceramic tongue buckle. Strap: ref. 7307/Z Buckle: ref. 7305