National Geographic : 1963 May
instead of a watch ACCUTRON is the only timepiece guaranteed 99.9977%accurate on your wrist. It makes the finest watches-even electric watches-obsolete. ACCUTRON is the only time piece that keeps time by this revolutionary new principle. A miniature tuning fork, driven by a transistorized electronic circuit, vibrates at a constant 360 times a second. These tiny vibrations supply such steady, unvarying power to the hands, that ACCUTRON is the first timepiece in history that can be guaranteed 99 .99 77 % accurate on yourwrist. The ACCUTRON time piece already has become the new world standard of accuracy. It has been selected as This -the a timing device in U.S . Space satellites and Telstar I. It has been approved for use by major railroads. It has become the timepiece of leaders in science, industry and govern ment. See ACCUTRON-the most distinctive timepiece you can own, the most unique gift you can give.Your choice of many distinguish ed waterproof* and shock-resistant styles, from $125 to $2500*. For name of nearest ACCUTRON dealer and free booklet, write Bulova Watch Co., Inc., Dept. 6,630 Fifth Ave., New York 20, New York. Shouldn't you wear ACCUTRON instead of a watch? graduation give him ACCUTRON timepiece worn by all X-15 pilots. If you want to give a really unique and exciting graduation gift, give ACCUTRON-the time piece that's making headlines. It's so astonish ingly accurate, so trouble-free, it has been purchased by the U.S. Air Force for every pilot in the X-15 project. Read this amazing ACCUTRON guarantee of accuracy. ACCUTRON is guaranteed by Bulova not to gain or lose more than one minute a month in actual daily use on your wrist. For one full year from date of purchase, the authorized jeweler from whom you purchased your ACCUTRON time piece will adjust it to this tolerance, if necessary, without charge. How to be sure you're getting the ACCUTRON timepiece. Listen. It doesn't tick-it hums! Look. The second hand doesn't skip-and-jump it moves with the smooth, continuous motion of a satellite in orbit. Remember. ACCUTRON is guaranteed 99.9977% accurate on your wrist. ACCUUTRN '403U' uisTinguisnea goia-riiea case an band. 18-KT gold markers. $175* "A - ~ L "l~~~)I.