rolex air king 5500 grey dial 1970s 1000 Series The Explorer I was introduced

The Explorer I was introduced in 1953 and was characterized by a very simple design with 3/6/9 Arabic numerals and no date display

The clasp code tells us that the bracelet is circa 1998

Serial: 517xxxx

Ref: 811AD

ZENITH El Primero 3019PHC – Arbitro

rolex air king 5500 grey dial 1970s 1000 Series The Explorer I was introducedBrand: ROLEXModel: Oyster Perpetual Air King Ref: 5500 Serial: 366xxx Year: 1972 Movement: Automatic Cal. 1520 Case: 34mm Material: SS Strap: 19mm Includes: Folded Link Bracelet 7835 19 (12 links) with 357 Endlinks Description The case has slight marks for its age. Overall excellent condition. The dial has a tiny spot between 2 and 3 oclock. The hands, and hour markers are in excellent condition as well. Comes with an original folded bracelet (12