U-BOAT Flightdeck Steel Bezel - 50 Ref. 6120

MOVEMENT: 
automatic mechanical chronograph personalized to U-Boat specifications for date display and stem to be positioned 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: 
steel 316L AISI, sand blast with subsequent treatment of IP Black coating, vacuum application. Special device protecting the crown, bezel and push button in steel, satin finish. Serial numbering between the case horns.
50 mm diameter.

BACK: 
see through, personalized U-Boat oscillating weight, screwed in.

DIAL: 
black in carbon fibre with hands and markers in relief, silver colour. Arabic numerals.

CRYSTAL: 
sapphire, highly resistant, 2 mm thick.

WATER RESISTANCE:
100 mt, 10 ATM.

STRAP: 
black, calf leather, exclusive aero design. Hand made and hand finished, tongue buckle with U-Boat personalization. Width 23/22 mm. Fastened to the case with screws, hypoallergenic and colour retain treatment.