The Rolex Air‑King Ref. The 36mm Outlier: While most late‑1950s Air‑Kings—such as the Ref. 5500—were 34mm, the Ref. 5504 stood apart with a larger 36mm stainless steel Oyster case. Rolex Air King.
This is an authentic Rolex 79173 watch with Rolex 18K yellow gold and stainless steel jubilee bracelet, Rolex roman dial, and Rolex 18K yellow gold fluted bezel. Reference: 79173. Model: Datejust. Dial: Rolex Roman Dial.