1960s IWC "Ingenieur" Ref.666AD Cal.8531 Rare All Gilt Black Dial w/Original Bracelet

International masterpiece "Ingenieur" Ref.666AD SS with in-house caliber Cal.8531 manufactured in the late 1960's. This is a very rare and beautiful piece with all gilt black dial. Brand name, model name and "T SWISS T" at 6 o'clock are all gilt. Injunior's black dials can be found in several variations, such as "SWISS" only gilt with the brand and model name printed, or "SWISS" and the model name gilt with the brand name printed, etc. The all gilt version is the most popular among them, and its unique texture and luminosity are a unique aspect of all gilt dials. The unique texture and shine of the all gilt dial is a very precious gem that has a unique aspect. An original bracelet of the same age (wrist size up to 19.5 cm) is included.