Description
Technical Specifications
Brand: U-BOAT
Model: Sommerso Ceramic Blue
Reference: 9519
Movement: Swiss Sellita SW200 automatic, modified to U-BOAT specifications
Power reserve: 41 hours
Frequency: 28,800 vibrations/hour (4 Hz)
Jewels: 26
Functions: Hours, minutes, seconds, date, 24-hour indicator
Bezel: Unidirectional rotating bezel with blue and black ceramic insert and Super-LumiNova® markings
Crown: Screw-down with patented left-side protection system
Case: Satin-finished AISI 316L stainless steel
Diameter: 46 mm
Case back: Stainless steel secured by seven external screws
Crystal: Anti-reflective sapphire crystal with date magnifier
Dial: Three-layer blue and black dial with visible ruby, brushed metal numerals, white Super-LumiNova® hands and indexes, red 24-hour hand
Water resistance: 300 metres (30 ATM)
Strap: Black ultra-resistant vulcanized rubber strap with embossed U-BOAT logo
Buckle: Stainless steel pin buckle
Strap width: 22/20 mm
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