Rare transitional Rolex Explorer II. Mid 1980s production, reference 16550 with original fat font bezel and tritium dial offering a beautiful patina on the index’s and hands. Nice thick case lightly polished. Original automatic Caliber 3085, serviced, timed and waterproof tested. Equipped with a newer Rolex Oyster flip lock bracelet, reference 93150 with correct 501 end links.