MOVEMENT:
automatic mechanical, personalized to
U-Boat specifications for stem to be positioned at 9 o’clock. Aiguillage adjusted: H3. Frequency: 28.800 vibrations per hour, 4 Hz. Power reserve: 40 hours. 25 jewels.
Height: 4,60 mm.

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

CASE:
steel 316L AISI with PVD treatment, available in 45 mm or 53 mm diameter. Left crown with a specially designed security device in yellow gold 2N. Total 18 K gold weight for 53 mm diameter:
42 gr. Total 18 K gold weight for 45 mm diameter: 33 gr. Thickness: 14,50 mm. Weight for 53 mm diameter: 142 gr; for 45 mm diameter: 100 gr.

BACK:
see through, screwed in.

DIAL:
with visible ruby. The dial of this model is made up of two superimposed dials, one in gold and the other one cut, treated with composed opaque black pigments, also used to produce military devices.

CRYSTAL:
highly resistant sapphire,
thickness: 2,40 mm.

WATER RESISTANCE:
50 mt, 5 ATM.

STRAP:
alligator, black, square scale, 3 circular cuts out, 18 K gold tongue buckle. Width for 53 mm diameter: 23/22 mm. Width for 45 mm diameter: 20/20 mm. Hand made and hand finished, hypoallergenic and colour retain treatment.

53mm – ref. 1215 – $11,750

STRAP: 1659
U-BOAT STRAP ALL.NERO 3 FORI SS 20/20

45mm – ref. 1216