Case 46mm, stainless steel.
Pro-dive watch, water resistant to 300 meters. Sommerso steel case with a rotating bezel and an additional counter for the 24 hours of the day.
Movement: Swiss automatic mechanical, personalized to U-BOAT specifications. Frequency: 28,800 vibrations per hour. Power reserve: 48 hours. 26 jewels. Skeletonized rotor.
Functions: Date, hours, minutes, seconds, 24h indicator, graduated uni directional bezel, screw down crown.
Case: 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.
Back: Sealed with seven external screws.
Dial: Three superimposed dials, the upper one in black with luminous beige hands, numbers and markers. Blue 24h indicator hand. Steel brushed frame around the numbers.
Crystal: Sapphire crystal with anti-reflective coating, lent on the date window.
Water Resistance: 300 mt, 30 ATM
Strap: Ultra-resistant vulcanised rubber, in black color, personalised with the logo of the Maison in relief. Stainless steel tongue buckle. Width: 22/20 mm. Strap: ref. 8351/Z Buckle: ref. 5466/SCREW