Omega, Longines, Certina, B&M and Derby also produced Chrongraph versions with the ESA 9210 movenent.Ĭare is needed with these designations as some of the makers also produced Dynatron models and quartz models with the same names. I'm listing these in somewhat alphabetical order. Here's what I've found, with whatever supporting information available. As such, finding quality service and repair providers can be difficult. Technos Mosaba ( Ltd edt of 10,000 made in the early 90's from stock purchased from ESA ) Service and Repair Options: Bulova no longer produces or supports the Accutron models. Rado Electrosonic ( also in conjunction with Certina ) The Eterna Sonics are ESA movements and the following makers as well. (outside the US is 36.00) Please note that tuning fork Accutrons were made until. Please note that prices above are flat rate (includes parts AND labor) Shipping and insurance is an additional 10.00. Stated battery life is 12mths, personnally i do not stop mine, but pulling the crown will disengage the current, unlike some of the Bulova Accutron movements. Repairs on Swiss made Tuning Fork Watches (Omega F300, Longines Ultronic, Eterna-sonic, Movado-Zenith, IWC, Titus, Allegro) starting at 350.00. If they run badly on modern cells, then the index tension is not adjusted correctly. The ESA 9162, 9164 and the 9210 were designed to run on both the mercury cells and later silver oxide and need no regulation. Just to clear up a couple of points raised by this thead. So the answer on which is a better acquisition depends on which movement is used and in which model watch from which maker you are comparing and what your collecting interest is. Speedsonics of course are considered to be desirable. The ESA movements are considered by some to be of higher quality than the Accutron movements and put into watch models like Omega Constellations and chronometer certified are considered to be desirable, by collectors. Accutron movements were used for on board time keeping on the first space missions. Accutron 2182 218 N7(1977) day/date stainless steel case wrist watch for repair. SERVICED ACCUTRON RAILROAD 2181 STAINLESS STEEL TUNING FORK MENs WATCH N2. Spaceview, Astronaut) and Accutrons were the first tuning fork watches. Vintage Bulova Accutron Tuning Fork Womens Watch 10k Gold Filled Working 162.50. The Bulova Accutron is the icon of tuning fork watches, with several models being particularly valued (e.g. Is an Omega tuning fork watch a better acquisition than a Bulova? The answer to this depends on what better means to you. Omega was unique in coupling the ESA 9164 to a chronograph module to make the only tuning fork chronographs ever produced, the Speedsonic. Omega, Titus, Tissot and Longines used these movements in some of their watches in the late 60s, early 70s. Omega (ESA) made watches with tuning fork movements utilizing some Bulova patent(s), the ESA 9162 and ESA 9164. Here is an over simplistic way too brief response as pages could be written in response to your questions.īulova was the first tuning fork movement.

Refurbish bulova tuning fork watch