U-Boat Flightdeck 7117
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.
FUNCTIONS: hours, minutes, small second, chronograph 60 s, counter 30 min and 12 h. Date window at 9 o’clock.
CASE: steel 316L AISI, brushed finish, distinguishing crown on left side, with a special protective device. Serial numbering between the case horns.50 mm and 45 mm diameter.
BACK: see through,screwed in. Personalized rotor, in silver, build with a base and 3 bridges fixed with blued screws.
DIAL: beige, opaque, with brown hands and markers. Arabic numerals.
CRYSTAL: sapphire, highly resistant.
WATER RESISTANCE: 100 mt, 10 ATM.
STRAP: hand made and hand finished alligator leather, square scale, brown, 3 circular cuts out, steel tongue buckle. Width for 50 mm diameter: 23/22 mm. Width for 45 mm diameter: 20/20 mm. Hypoallergenic and colour retain treatment. Fastened to the case with screws.