automatic 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.
hours, minutes, small second, chronograph 60 s, counter 12 at 12, counter 30 minutes at 6. Date window at 9 o’clock.
sterling silver, crown on the left side with a special protective device and push buttons in sterling silver (On the chrono pusher at 10 o’clock a black diamond (CT 0,35) has been set). Diameter 50 mm. Silver weight 119,15 gr. Thickness 17,90 mm. Thin fissures have been patiently drilled on the case, where 204 black and brown diamonds have been set (CT black diamonds 0,46, CT brown diamonds 0,83).
see-through, sealed with 7 screws.
black in carbon fiber, with hands and markers in white colour. Arabic numerals, in high relief.
sapphire, highly resistant, fumé.
50 mt, 5 ATM.
calf leather with precious inset in silver and black diamonds setting. Hand made and hand finished, with sterling silver tongue buckle (with black and brown diamonds set on the buckle, CT 0,10). Width 23/22 mm, hypoallergenic and colour retain treatment. Fasten to the case with screws.
50mm – ref. 7286 – $23,300
U-BOAT STRAP VINTAGE X014