- Swiss automatic mechanical, personalized to U-BOAT specifications. Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 41 hours. 26 jewels. Skeletonized rotor. SW 200 sellita.
- Date, hours, minutes, seconds, 24 h indicator, graduated unidirectional bezel with references in white superluminova on bicolor blue and black ceramic insert. Screw down crown.
- Stainless steel AISI 316L, satin hand finish, 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.
- Steel sealed back with seven external screws.
- Three superimposed dials, two-tone green and black. Visible ruby. Numbers in brushed metal, numbers and indices in white superluminova. Hands in painted metal with white superluminova treatment. 24 h indicator’s hand in red. Red reference on minutes hands.
- 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. Stainless steel tongue buckle. Width: 22/20 mm. Strap: ref. 8351/Z. Buckle: ref. 5466/SCREW