Rolex Oysterquartz Day-Date TTSwiss Superlative Chronometer Officially Certified , signed on watch face, app 30 in. case, discontinued model, c. late 1970s -1990s Steel Yellow Gold Mens Watch. Deployment Buckle, app 7.5 in length when locked. Vintage wear to gold and glass top, consistent with use and exposure. No papers, Watch number under case back. Rolex logo where 12 would be on the dial, and on back of buckle, and wind up button. Not tested. Band width app 3/8 in. Rolex Oysterquartz has long been discontinued, but represents watchmaking history. In 1977, after 5 years of conceptualization, design and testing, the brand introduced the Rolex Oysterquartz, a competitive Swiss design to Japan movement and became a standard in the industry, changing the course of Swiss Watch luxury. Property of Manhattan, New York Estate of D. Winston, matchmaker to the stars, NYC Socialite and philanthropist Deployment Buckle, Rolex, Vintage Rolex, Luxury ladies Jewelry Accessories, Luxury