Case material: Steel; Charge: Automatic; Conditions: Used Year : 1984; Presentation condition : With dealer guarantee ; Model: Sea-Dweller Price on request Gmtbroker Reference: 16660 A Stainless Steel Oyster Perpetual Sea-Dweller Gents Wristwatch, black dial with applied hour markers, date at 3  0'clock , a stainless steel uni-directional rotating bezel with a black bezel insert, a stainless steel oyster bracelet with a stainless steel  oysterlock   deployant  clasp, sapphire glass, automatic movement, in excellent  conditon , comes with a Rolex box, our own certificate of authenticity and our own one year warranty. N.B. This watch originally came with a matte black Mark II dial. However, in the past the dial has been changed to a later dial, which has been reflected in its price.