U-Boat Classico 7123
MOVEMENT: 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.
FUNCTIONS: hours, minutes, date at 3 o’clock.
CASE: full ceramic, shiny finish, available in black and white colour, distinguishing crown on left side, with a special protective 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 rubber, ceramic tongue buckle (tongue of the buckle and detail in rose gold, (18 K), black for ref 7122 and white for ref 7125. Width: 20/18 mm. Extra strap in suede, black, hand made and hand finished. Straps with steel spring bar for easy strap removal and exchange. Total gold approx. 7 gr (for ref 7125), 6 gr (for ref 7122).