Up for sale is a super rare 7.4 million Mk 1 16660 matte dial Sea Dweller in amazing original condition. Original faded insert with amber pearl. Expert vintage finish by ABC Watchwerks, polished only once so lugs are thick with untouched crown guards and sides. Overhauled in March 2014 by well known watch maker, receipts included. Comes on tight bracelet with correct H clasp code with 12 links. Correct box, booklets, anchor and red tag from 1982. Also including a spare period correct insert with amber pearl ($300 value). Mk1 dial is nice and white, super clean and well preserved. No chips or scratches on crystal. This is the nicest example of a 666 matte dial I've ever seen. Purchased from a well known Sea Dweller expert's personal collection. This is a highly collectible example that rarely comes available in this condition. Super accurate, my most accurate Rolex time keeper!Priced very reasonably at $9,500 OBO shipped CONUS. Paypal +3% or Wire payment. Plenty of references. No disappointments here.