National Geographic : 1963 Dec
instead of a watch ACCUTRON is the only timepiece guaranteed 99.9977% accurate on yourwrist. It makes the finest watches-even electric watches-obsolete. Take a closer look at the Accutron "Spaceview" model at left. To the right of the 3 o'clock dot you'll see a white transistor. It's part of a unique power system that provides electronically controlled energy. Now look behind the 12 o'clock symbol. You'll see the top of a uniquely shaped tuning fork. As the tuning fork vibrates, it supplies such steady, unvarying power to the hands, that Accutron is the only timepiece in the world guaranteed 99.9977( accurate on your wrist. When you wear the Accutron timepiece, you're wearing the same timing device used in space satellites.., the same timepiece purchased by the U.S. Air Force for every X-15 pilot. Discover the confidence of having the right time every hour, every minute, every second of every day. See Accutron-the most distinctive time piece you can own or give. Your choice of many distinguished waterproof* and shock-protected styles, from $125 to $2500.* For the name of your nearest Accutron dealer and a free booklet, write Bulova Watch Co., Inc., Dept. N(C. 630 Fifth Ave., New York 20, N. Y. Read this amazing guarantee of accuracy Accutron is guaranteed by Bulo\a not to gain or lose more than one minute a month in actual daily use on your wrist. I or one full year from date of purchase, the authorized jeweler fron whom you purchased your Accutron timepiece will adjust it to this tolerance, if necessary, without charge. Why ACCUTRON makes all types of watches obsolete Windup o 3: O Self-wind Electric S0 ACCUTRON All three types of watches measure time by the same 300-year-old principle-the mechanical hairspring and balance wheel. This old-fashioned mechanism is made up of moving parts, so it's affected by friction . . . can lose accuracy and wear out. ACCUTRON "Astronaut" tells time in any two time zones. Stainless steel case, link band. $175' (1 , a, vw , ,- ' r , r " ,,Y rO ,orto 6 ente MI an.*A , The ACCUTRON timepiece measures time by a revolu tionary new principle-an electronically-powered tun ing fork that vibrates precisely 360 times a second. It has no moving parts, so it's not affected by friction ... can't lose accuracy or wear out. How to be sure you're buying ACCUTRON instead of a watch 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.