50 mm ref: 8104 – $4,500
MOVEMENT: 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, 4hz. Power reserve: 38 hours. 25 jewels.
FUNCTIONS: hours, minutes, seconds, date, indicator 24 hours.
CASE: bronze, naturally aged, distinguishing crown on left side, with a patented
protective device. Diameter 50 mm. Serial number engraved on a small plate
fixed on the side of the case.
BACK: sealed with 7 external screws, small window U-shaped with fumé
sapphire showing the balance wheel movement.
DIAL: three superimposed dials, matt brown with visible ruby. Arabic numerals, luminous
beige hands, numbers and markers. Hand of the 24h indicator in red colour.
CRYSTAL: high quality sapphire, anti reflective treatment.
WATER RESISTANCE: 100 mt, 10 ATM.
STRAP: hand made and hand finished calf leather, tongue buckle in bronze.
Width 23/22 mm.