Rolex 'Texan', Reference 5100 A yellow gold wristwatch with date and bracelet Circa 1971 Dial: gilt Calibre: cal. RE10 quartz, 13 jewels Movement number: 7'171 Case: 18k yellow gold, snap-on case back Case number: 510 Closure: 18k yellow gold Rolex bracelet and folding clasp Size: 40.5 mm diameter Signed: case, dial and movement Box: no Papers: no Accessories: none