U-BOAT Sommerso Ceramic Blue/MT 46mm blue automatic steel watch 9519

MOVEMENT Swiss self-winding mechanism with technical modifications to U-BOAT specifications. Frequency: 28,800 vibrations/hour, 4 Hz. Power reserve: 41 hours. 26 rubies. Skeletonized rotor. SW 200 saddled.

FUNCTIONS date, hours, minutes, seconds, 24h indicator, unidirectional bezel with white superluminova references on a black ceramic insert. Screw-down crown.

CASH in AISI 316L satin steel, distinctive position of the patented crown protector on the left. Plaque fixed on the side of the case with serial number engraving. Diameter 46 mm.

BOTTOM in steel closed with 7 screws.

DIAL three-level two-tone blue and black. Visible ruby. Brushed metal numerals, white superluminova numerals and indexes. Spheres in painted metal with white superluminova treatment. 24h sphere in red. Reference in red on the minute hand.

GLASS sapphire with anti-reflective treatment, with magnifying glass on the date window.

WATERPROOF 300 m, 30 ATM.

STRAP ultra-resistant vulcanised rubber, black colour, personalized with the Maison logo in relief. Stainless steel buckle. Width: 22/20 mm. Strap: ref. 8351/Z. Buckle: ref. 5466/SCREW