Compatible Models: Rolex Air King 5500 and Rolex Date 1500 with a 19mm lug opening in 1960's tapered style,Fits for Most Rolex Watch Model Collection: Oyster Perpetual, Datejust, Lady‑Datejust, Day‑Date, President, 1908, Explorer, Explorer II, GMT‑Master II, Air‑King, Cosmograph Daytona, Yacht‑Master, Yacht‑Master II, Submariner, Sea‑Dweller, Deepsea, Land‑Dweller, Sky‑Dweller, Cellini...etc.