U-Boat CLASSICO 42 CERAMIC BLACK DIAMONDS
Automatic mechanical, personalized to U-Boat specifications for stem to be positioned at 9 o’clock. Aiguillage adjusted: H4. Frequency: 28.800 vibrations per hour, 4 Hz. Power reserve: 38 hours. 25 jewels. Height: 4,60 mm.
Hours, minutes, date at 3 o’clock.
Full ceramic, black, shiny finish, distinguishing crown on left side, with a special protective device. Diameter: 42 mm.
In ceramic, sealed with 6 external screws.
There are two superimposed dials, with 39 white (for ref 7123) or black (for ref 7124) diamonds set on indexes 12/4/8 (1 mm diameter). Bâton indexes. Perforated spheres, shiny finishing. Visible ruby.
High quality sapphire, scratchproof.
50 mt, 5 ATM.
In black alligator, tongue buckle in ceramic. Handmade and hand finished. Extra strap in rubber. Width: 20/18 mm.