National Geographic : 1963 Nov
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 99.9977%/ accurate on yourwrist.The ACCUTRON time piece already has become the new world standard of accuracy. It has been purchased by the U.S. Air Force for every pilot in the X-15 project. It has been approved for use by major railroads. And it's the timepiece of leaders in science, industry and government. See ACCUTRON-the most distinctive time piece you can own, the most unique gift you can give. Your choice of many distinguished waterproof* and shock-resistant styles, from $125 to $2500*. For name of nearest ACCUTRON dealer and free booklet, write Bulova Watch Co., Inc., Dept. 11, 630 Fifth Ave., N. Y. 20, N. Y. Don't you owe it to your self to wear ACCUTRON instead of a watch? Read whyACCUTRON is the timepiece making headlines around the world. * The ACCUTRON mechanism is used in U.S . space satellites and Telstar 1. * The ACCUTRON timepiece is worn by over 150 heads of state and leaders in science, in dustry and government. Never before has a timepiece won such universal acclaim. The ACCUTRON timepiece is the first breakthrough in personal timekeeping in 300 years. That's why so many famous men wear ACCUTRON instead of a watch. 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. ACCUTRON "Astronaut" gives local and Greenwich Remember. ACCUTRON is guaranteed 99.9977% Mean time. Stainless steel case and link band. $175* accurate on your wrist.