Note:  "80" is the Ref. Number (Located on the inside of each end piece) for both the Rolex Submariner and the GMT of the late 1960s and 1970s.  These Rolex models has a hole on each side of the lugs to allow easy removal of the bracelet.  ROLEX 18k 20mm BRACELET SUBMARINER/GMT. (This bracelet is approx. 1978).  Authentic, genuine original ROLEX 18k solid yellow GOLD 20mm SUBMARINER/GMT Riveted Links, marked: "80" on each end piece.  Ref. "80" on each end piece is for the Submariner or GMT in 18k Gold associated with the 1675 and the Sub. 1680.  Restored and refinished!  Authentic, genuine, original.  Enchases value, completes the watch.  Clasp is marked: Patented Registered Swiss Made, ROLEXSA 750.  Very scarce. THIS IS A FINE COLLECTIBLE. DON'T INVEST IN THE STOCK MARKET. BUY SOMETHING PROVEN IN TIME.  Buy from an old timer, 53 years buying and selling vintage watches!

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