45 mm ref: 8103 – $4,100
automatic mechanical, personalized to U-BOAT
specifications for stem to be positioned at 9 o’clock. Laser cut rotor as by U-BOAT specifications.
Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 38 hours.
hours, minutes, seconds, date, indicator 24 hours.
bronze, naturally aged, distinguishing crown
on left side, with a patented protective device. Diameter 45 mm.
Serial number engraved on a small plate fixed on the side of the case.
sealed with 7 external screws, small window U-shaped with fumé
sapphire showing the balance wheel movement.
three superimposed dials, matt brown with visible ruby. Arabic numerals, luminous
beige hands, numbers and markers. Hand of the 24 indicator in red colour.
high quality sapphire, anti reflective treatment.
100 mt, 10 ATM.
STRAP: hand made and hand finished calf leather, tongue buckle in bronze.
Width 20/20 mm.