U-BOAT Classico TITANIUM IPB CERAMIC BEZEL 53MM Ref. 6233 CHRONOGRAPH Ltd. edition of 300 units

utomatic mechanical chronograph modified and personalized at U-Boat specifications for date display and stem position at 9 o'clock. Frequency: 28.800 vibrations per hour, 4 Hz. Power reserve: 44 hours. 25 jewels. 
Height: 7 mm.

FUNCTIONS: 
hours, minutes, small second, chronograph 60 s, counter 30 min 
and 12 h. Date window at 9 o'clock

CASE: 
in grade 2 natural titanium, with subsequent treatment of IP Black coating, vacuum application.

BEZEL: 
in ceramic, shiny finish, fastened to the case with 6 personalized screws. Diameter: 53 mm. Thickness: 16,63 mm. Weight: 179 gr.

BACK: 
see through, sealed with 6 external screws.

DIAL: 
two superimposed dials, one black and one in carbon fibre with mat black hands and markers.

CRYSTAL: 
sapphire, 2 mm thick.

WATER RESISTANCE: 
200 mt, 20 ATM.

STRAP: 
black, hypoallergenic rubber with plate in titanium with IPB treatment, deployante buckle. Width: 23/22 mm. Fastened to the case with screws.