official dealer vertigo milan vertigo hippocampus blue official dealer 316L steel case . Case diameter 39 mm, lug 20 mm, lug to lug 46 mm, thickness 12.5 mm, bidirectional inner bezel. Screw-locked crown at 4 o'clock and case back, rotatable and non-removable crown at 2 o'clock protected by internal seals. Domed sapphire crystal with interior anti-reflective coating, indexes, inner bezel and logo treated with Swiss Luminova C3, hands treated with Swiss Luminova BGW9. Miyota 9039 mechanical self-winding movement with detent, 24 jewels, 42-hour winding reserve, 28800 vibrations per hour. Water resistant 30 atm (300 meters) Case back with bas-relief work reproducing the Hippocampus; Kit consists of wooden box set, leather clutch, mesh bracelet with personalized clasp, leather strap with personalized inside, tropic style strap with personalized clasp, Jubilee bracelet with personalized clasp. Edition numbered 27 out of 100