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.
hours, minutes, small second, chronograph 60 s, counter 30 min and
12 h. Date window at 9 o’clock.
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.
see through,screwed in. Personalized rotor, in silver, build with a base and 3 bridges fixed with blued screws.
beige, opaque, with brown hands and markers. Arabic numerals.
sapphire, highly resistant.
100 mt, 10 ATM.
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.
50mm - ref. 7119 - $5,500
U-BOAT STRAP ALL.GOLD 3 FORI SS 23/22
45mm - ref. 7117 - $5,150
U-BOAT STRAP ALL.GOLD 3 FORI SS 20/20