Rolex Sea-Dweller 1665

Ref 1665-1 ROLEX Sea-Dweller « Great White » Mk2 « Rail Dial »

During decompression, helium must be expelled from the watch case, and on early Submariners, when decompression was too rapid, it would escape, causing the crystal to shatter. … This is how the story of the Rolex Sea-Dweller began. This version of the dial has been primarily seen since 1968. The dial printing is distinguished mainly by the direct printing of red ink onto the dial (the MK1 red was applied over a white background). The font size of the second red line is smaller, and the black ink/varnish combination of this dial has a characteristic highly prized by collectors, as many examples have turned brown. Among the distinctive features, the crown recess is almost nonexistent on this version. During decompression, helium must be expelled from the watch case, and on early Submariners, when decompression was too rapid, it would escape, causing the crystal to shatter. … This is how the story of the Rolex Sea-Dweller began. This version of the dial has been primarily seen since 1968. The dial printing is distinguished mainly by the direct printing of red ink onto the dial (the MK1 red was applied over a white background). The font size of the second red line is smaller, and the black ink/varnish combination of this dial has a characteristic highly prized by collectors, as many examples have turned brown. Among the distinctive features, the crown recess is almost nonexistent on this version. Specifications Brand: ROLEX Vintage Model: ROLEX Sea-Dweller "Great White" Mk2 "Rail Dial" Manufacturer Ref: 1665-1 Year: 1978 Warranty: Yes Box: Yes Paperbacks: No Case: Steel Dimensions: 40 mm Movement: Automatic Mechanical Crystal: Plexiglass Bracelet: Oyster Steel Water Resistance: Vintage Watch Water Resistance Not Guaranteed Parker Ref: A 221 / 0000921 Selling Price: €25,900 The Mark II Dial in Detail: Considered a rare version, the main distinguishing feature of this MK2 is a change of manufacturer. Stern will be responsible for producing this dial. The alignment of the inscription "Superlative Chronometer Officially Certified" makes it the easiest dial to identify. On both lines, and between each word, the alignment is the same, leaving an identical space in the center of each line, hence the name "Rail Dial".