The new U-BOAT Sommerso stands out for its exclusivity, with only 99 pieces available, and its innovative Damascus steel case. A historic turning point for the brand is the placement of the crown on the right side, a bold change from U-BOAT’s tradition of always placing the crown on the left side. TECHNICAL DETAILS MOVEMENT Swiss automatic mechanical Sellita SW 200, elaborated and modified according to U-BOAT specifications. Frequency 28,800 alternations/hour (4 Hz). Power reserve of 41 hours. 26 jewels. Custom skeletonized rotor. FUNCTIONS hours, minutes, seconds, date, 24h indicator, unidirectional rotating bezel with reference marks. Screw-down crown and crown protector. CASE made of damascus steel, crown protector position on the left. Plate fixed on the side of the case with serial number engraving. 46 mm diameter. CASEBACK made of damascus steel. Closed with 6 screws. DIAL three-level black dial. Brushed metal numerals treated with beige superluminova, raised indexes treated with beige superluminova. Painted metal hands treated with beige superluminova. 24h sphere and minute hand reference in blue superluminova. Visible ruby. CRYSTAL high quality sapphire crystal with anti-reflective treatment. WATER RESISTANCE 300 mt, 30 ATM. STRAP ultra-resistant vulcanized rubber strap, black color, customized with embossed Maison logo. Width: 22/20 mm. Strap: ref. 8351/Z. Damascus steel tongue buckle. Buckle: ref. 9977.
