Officially Certified Chronometer From 1970s Reference ST 168 0056 Stainless Steel With Quickset Date Function calibre 1011 Chronometer Automatic Stainless Steel Beautiful Restored Blue Omega Constellation Dial with original silver hands and silver hour markers Size 35mm excluding crown x 40mm top to bottom Thickness 10mm New Generic Genuine Leather Band and Stainless Steel Omega Buckle Original Crystal Automatic Swiss Omega Precision Automatic Movement Keeps Excellent Time This Watch is in excellent condition It is Original and will become a perfect vintage collectible treasure