MOVEMENT:
automatic mechanical, modified and personalized to U-Boat specifications for stem position at 9 o’clock. Height: 4,60 mm. 25 jewels. Power reserve: 38 hours. Frequency: 28.800 vibrations per hour, 4 Hz.

FUNCTIONS:
hours, minutes, seconds, date at 3 o’clock.

CASE:
AISI 316 Plus stainless steel with subsequent treatment PVD black, 43 mm diameter. Personalized rotor, in silver, 3 bridges construction, rhodium plated in black and fixed with blued screws. On the bezel of the case, on the screws of the case tubes and on the lugs, 282 black diamonds have been set by hand, one by one.

CRYSTAL:
sapphire curved glass on the face and flat on the back of the timepiece, both fumé.

DIAL:
two superimposed dials, black, bâton white hands, treated with superluminova. Visible ruby.

WATER RESISTANCE:
100 mt, 10 ATM.

STRAP:
hand made and hand finished alligator, black, decorated with an inset made of silver and 9 black diamonds. Width: 20/20 mm. Tongue steel buckle, embellished by 16 black diamonds.

43mm – ref. 7229 – $23,000

STRAP: 7371
U-BOAT STRAP ALL.NERO 20/20 XS ALCANTARA NERA