Omega Case Stainless steel case, with a stainless steel caseback, crown at 3 o'clock, chronograph pushers located at 2 & 4 o'clock, black Tachymeter scale Bracelet Stainless steel bracelet with a stainless steel folding clasp Dial Black dial with luminous tritium indexes & hands showing patina, 30 minute counter indication at 3 o'clock, 12 hour counter at 6 o'clock, small seconds at 9 o'clock, orange chronograph hand Movement Rose gold-plated hand-wound movement, with column wheel chronograph & Breguet hairspring, chronograph complication Cal. 321 Ref. 145.012 Movement No. 26.***.*** D= 40mm Year 15.10.1968 US Navy
