Crown release system (patented) at 8 o’clock for easy time and date setting.
automatic mechanical, personalized to U-BOAT specifications for stem to be positioned at 9 o’clock. Aiguillage adjusted H3. Skeletonized rotor.
Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 38 hours. 25 jewels.
hours, minutes, seconds, date, 24h indicator, bidirectional bezel 24h graduated, crown release lever.
bronze, naturally aged, distinguishing crown on left side, with a patented protective device. Diameter 46 mm.
Serial number engraved on a small plate fixed on the side of the case.
Bezel lockable with a lever on the right side of the case
sealed with 7 external screws, small window U-shaped with fumé sapphire showing the balance wheel movement.
three superimposed dials with visible ruby, green color. Arabic numerals, with bronzed brushed
frame and superluminova treatment. Bronzed hands, hand brushed and superluminova treated.
high quality sapphire with anti reflective treatment.
100 mt, 10 ATM.
hand made and hand finished calf leather, tongue buckle in bronze. Width : 22/22 mm.
Strap: ref. 7768/Z Buckle: ref. 7790