Reference 1680 'Red' Submariner | A stainless steel automatic wristwatch with date and bracelet, Circa 1973 Reference 1680 'Red' Submariner A stainless steel automatic wristwatch with date and bracelet, Circa 1973 Dial: black Caliber: cal. 1570 automatic, 26 jewels Case: stainless steel, screw down case back Case number: 3'422'XXX Closure: stainless steel Rolex Oyster folded bracelet with folding clasp Size: 40 mm diameter, bracelet circumference is approximately 175 mm Signed: case, dial and movement Box: yes Papers: yes Accessories: Rolex presentation box with outer packaging, Official Chronometer Certification (punched and undated), Rolex Watch Company of Canada Ltd document, bi-fold, booklets, service pouch, anchor, and hang tag