NOMOS AHOI DATE ATLANTIC Reference 558

Ref. 558 CASE stainless steel, bipartite sapphire crystal glass back fixed with six screws; screw-down crown, crown guard GLASS domed sapphire crystal with anti-reflective coating inside and out WINDING automatic DIMENSIONS diameter 40.3 mm height 10.6 mm lug-to-lug 51.0 mm WATER RESISTANCE 20 atm (suitable for diving) DIAL Atlantic blue, hour indexes with sand-colored superluminova and green outlines date window at six o #39;clock HANDS rhodium-plated, with superluminova inlay in white, seconds hand red STRAP Textile strap blue-black, woven, waterproof lug width 20 mm CLASP Winged clasp, square, stainless steel