- Automatic mechanical movement, 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: 41 hours. 26 jewels.
- Hours, minutes, seconds, date, 24h indicator, bidirectional bezel 24h graduated, crown release lever.
- Bronze case, 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 back with 7 external screws, small window U-shaped with fumé sapphire showing the balance wheel movement.
- Green dial, three superimposed dials with visible ruby. Arabic numerals, with bronzed brushed frame and superluminova treatment. Bronzed hands, hand brushed and superluminova treated.
- High quality sapphire crystal with anti reflective treatment.
- 100 mt, 10 ATM water resistance
- Hand made and hand finished calf leather strap. Width : 22/22 mm. Strap: ref. 7768/Z. Tongue buckle in bronze. Buckle: ref. 7790