Fully serviced by Rolex in july 2019 and under two year international warranty this sapphire crystal 16550 is amongst the rarest of the beautiful cream dial Explorer II's... These hard-to-find "non rail" examples have to have the unusual "T SWISS <25 T" signature at the bottom like this one. In superb condition, this example from 1987 is equipped with a rugged sapphire crystal glass, Rolex's automatic 3085 calibre movement with independantly set gmt hand, and its correct year stamped 78360 Oyster bracelet. A beautiful vintage sports watch and solid investment for the future, values on these rare Explorer II's are set to explode in the next couple of years...