automatic mechanical, personalized to U-BOAT specifications for stem to be positioned at 9 o’clock.
Aiguillage adjusted: H4. Frequency: 28,800 vibrations per hour, 4 Hz. 25 jewels.
Power reserve: 38 hours.
hours, minutes, date.
stainless steel AISI 316L, with subsequent IPB treatment, shiny finishing, distinguishing crown on left side, with a patented protective device.
Thickness: 12.22 mm. Weight: 77 gr. Diameter: 40 mm.
see through, sealed with 7 external screws.
three superimposed dials, the first layer in mirror, the second one
black with 42 black diamonds set on indexes 12/4/8 (brilliant 8/8 cut,
0.9 mm diameter - 0.14 ct.). Visible ruby. Bâton perforated indexes.
Perforated bent hands, shiny finishing.
red high quality sapphire anti-reflective coating.
100 mt, 10 ATM.
hand made and hand finished alligator black leather, lining in
red Alcantara. Tongue buckle.
Width: 18/18 mm.