- Swiss automatic mechanical movement, personalized to U-BOAT specifications. Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 44 hours. 26 jewels. Skeletonized rotor
- Date, hours, minutes, seconds, 24h indicator, graduated unidirectional bezel, screw down crown.
- Stainless steel AISI 316L, satin hand finish case, distinguishing crown on the left side, with a patented protective device. Serial number plate fixed on the left side of the case. Diameter 46 mm.
- Sealed with seven external screws back
- Three superimposed dials, the upper one in black with luminous blue hands, numbers and markers. Blue 24h indicator hand. Steel brushed frame around the numbers.
- High quality sapphire crystal with anti-reflective treatment, lent on the date window.
- 300 mt, 30 ATM water resistance
- Ultra-resistant vulcanized rubber strap, in black color, personalized with the logo of the Maison in relief. Width: 22/20 mm. Strap: ref. 8351/Z. Stainless steel tongue buckle. Buckle: ref. 5466/SCREW