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  1. Thanks Graziano. That was very informative. Have you serviced any tuning fork watches before? Would you kindly share your experience? As for Nucejoe's request for a service walk through, I would be too embarrassed at this moment to post one. I was just stumbling around clueless. Maybe after a few more Accutron repairs, I may dare post one.
  2. Would the coil resistance reading give any clue as to which oe is broken? I read that there are people specializing in recoiling Accutron coils. Have you found anyone able to that?
  3. From mybulova.com 1962 The Accutron Tuning-fork watch becomes the first wristwatch certified for use by railroad personnel. 1962 is also the year that Bulova introduces its Caravelle line of jeweled watches. Designed to retail at $10.95 to $29.95, Caravelle competes with non-jeweled watches in the same price range.
  4. Cannon pinion/centre wheel slip is very common on Accutron 218 series.... A nice bodge to prove it is remove the wheel take it off the cannon, reverse it and refit. You may then get it working again, but make sure you oil/lube it before use, the interface between the cannon and centre-wheel...
  5. I balanced the tuning fork last night. I removed the gear train and just applied power to vibrate the fork. I adjusted the "regulator weights" until I got the oscillator to run with minumum current. I then put back the gear train and proceeded to phase the watch as per the instructions in the Bulova service manual. This time I managed to get the index wheel to run-stop-run. Hopefully the watch is phased correctly now. I did try connecting the spare +ve lead wire from the Accutron test meter to the test point on the IC. But the meter needle went off the scale and I aborted. 20210616_215716.mp4
  6. Hi Hector found these for you, Hope they are of use to you. cheers Accutron 224.pdf Bulova 218 Series.pdf Bulova 218D.pdf
  7. Hello - I started getting interested in watches about 10 years ago when I interviewed a local watchmaker for a design project in school. I picked up a 1965 Seiko Weekdater around that time and have sent it away to be rebuilt once since then, wearing it daily, pleasantly ticking away on my wrist. My wife's father passed recently and I was given his daily-worn 1976 Bulova Accutron in non-working condition. I finally got around to trying to sort it out and I was surprised to find that it needed more than a battery and also surprised when researching that the movement is so different and transitional. I would not really dream of tangling directly with the Accutron guts so I sent it off to someone with more direct knowledge and an appropriate parts-bin for it (works great, now). Along the way, though, my own interest was piqued and I looked around for more simple watches that I could perhaps learn on, with the objective of being able to service them and know them. Soon I had several decades-old soviet watches in the mail from Kiev which I'm having fun wearing and restoring but would eventually like to service. Now I have an ST-36 on the way, a very-expensive set of small screwdrivers and tweezers, magnification, and I've sprung on this course bundle after surveying a few options. I have a background of software, and lots of automotive projects large and small, but nothing so fussy and tiny as watch maintenance in my resume. Hoping that pure curiosity and interest can push me forward through any frustrations. Glad to join this community and please wish me luck! steve
  8. My name is Jaime and I am a watchmaker certified by WOSTEP. Work out of New Mexico. However it’s my first time doing a astronaut watch, I had fixed a couple 214s 7 years ago. Now I am wondering why I took it in for repair. I was referred to this place by a wise watchmaker. I am working on an accutron 214 astronaut watch. For my misfortune or fortune I can’t seem to get it running. The index and Paul are just how they should be, there isn’t any blockage to the gear trains or motion train until I put the hands on. Also not hacking, there is a good hum, but minute and hour hands won’t move. Only second hand moves but won’t hack.
  9. Hi you might find the attached accutron service manual of some use. cheers accutron_service_manual_series_214.pdf
  10. Had this problem a few weeks ago with my own 218. Make sure that nothing is making contact with the case back and the gasket is installed properly. On mine, I’d not got the gasket on properly, the watch would run fine with the back and gasket off, but stop the minute both were back on. Took a bit of fiddling to get them back on in a way the my accutron liked. Seemed to be very little rhyme or reason to it either, but it’s worth noting my accutron doesn’t have the original gasket with it either.
  11. Hi everyone, My name is Gordon Chow, and I have always been interested in timepieces. I used to replace the movement entirely, but have been interested in learning to repair the movements themselves as ETA movements are no longer available. My first watch was a Bulova, and my favorite watch is a Bulova Accutron 63c105 (their last watch to use ETA 7750 movement) that I received for finishing university and starting my first ‘grown up’ job. I wanted to join this knowledgeable group to learn more about repairing movements and join the class.
  12. The original Accutron batteries were 1.35v mercury cells which have long been off the market. With a 218 movement you can usually substitute a standard 1.5v battery without issues but I believe the 214 models struggle with this. Interestingly, it looks like some suppliers have come up with a workaround for this. I've done two Accutron repairs and in both cases I just plopped in a new battery without thinking about it beforehand. You can adjust the Index finger and pawl so that they are not contacting the index wheel before dropping in the battery but if you do that you'll have have to move them back to get the watch to keep time and getting them just right is the hardest part of the service. Testing the movement of the gear train is a bit difficult too since the wheels are well hidden under the bridge and manipulating the index wheel (driving wheel) is not a good idea. It's an interesting conundrum for sure; hopefully someone more knowledgeable will pipe in with some good advice. There is a woman names Samantha on the NAWCC forum who is quite knowledgeable about Accutron service procedures. I perused all the related threads there and also downloaded the service manual before getting my hands dirty. In the unlikely event we all draw blanks here, I would suggest posting the question over there to see what they may know.
  13. Hello, I have been collecting watches for a few years now, and have interests across the spectrum. I am most interested in vintage watches, but do still have a number of modern pieces as well. My collection consists primarily of Seiko and Timex, but I also have some Accutron, Vostok, Rolex, Omega and Zenith as well (amongst a few others). I have done some of the basic cosmetic watchmaking tasks of crystal replacement, gasket replacement, and case cleaning/polishing previously with success. I am an engineer by occupation, so my desire to learn watchmaking is primarily at the hobbiest level right now. I would eventually like to be able to pick up 'rough' vintage pieces and perform restoration work on them, but also learn to maintain my collection to a certain degree. I have purchased a pretty wide range of tools at this point, mostly cheap ones, but a few of the nicer Swiss made products as well. My intention is to start on some of the Timex and Seiko pieces that I have picked up as parts of larger lots. Most of these pieces are of little value, and have pretty simple moments, so there is minimal penalty to the mistakes inherent with the learning process. I look forward to the wealth of information on the forum and am excited for the benefits it can provide in my horological journey. Thanks in advance for the assistance and acceptance from its members!
  14. Wonderful to see this. My dad was really proud of the accutron work. He started doing them near the end of his career. I wish I had paid more attention at the time, but I was busy building my own career.
  15. I would say current consumption is somewhat important if you don't want to be changing the battery every few months. The gear train of a quartz watch is so delicate that testing it by turning the wheels is not a good idea. And with a stepper motor at the other end, you can't get the wheels to spin freely. Without a current test, you'll never know if there is a problem with the circuitry or resistance in the gear train. That's the reason why some watches stop working soon after battery replacement. I test the current consumption of my quartz movements with the Bulova Accutron meter. It might not be as accurate as a Witschi but it'll do the job.
  16. This Accutron has a similar vibe (well, not literally) and I think the same fake crocodile pattern on the strap.
  17. welcome - welcome. the Bolova Accutron history is Very interesting, but not well understood buy the collectors or the "watch mechanics" (electronics). i have a spaceview (as found) and several emty nice accutron cases. i am shure you will have a lot to offer this good forum. vin
  18. Hi and thanks to all, f300 are (IMHO) the "easiest" to fiddle among the tuning fork watches, they are built into two different modules one for the fork itself with the index wheel and the other for the watch itself, but any case really tricky even with a good microscope and firm hands (no my case) I dared to touch some, incredibly easy to break or unset the fingers and very delicate to adjust, but never tried even to touch any accutron (the original and first diapason watch)) I hope to learn a lot from your awesome knowledge and ideas, and share some of my projects, usually very simple ones, as my hands and eyesight aren't what they used to be. Again thank you all for your warm welcome. Ricardo
  19. Hi, and thanks for the greetings, I have some accutrons as well, I discovered through the expensive path that you could destroy a tuning fork watch if you dare to more than watching it, although I was able to revive some thanks to old stock bought years ago, but quite expensive in today's market. I promise that I will never touch an accutron further than hands, dial or keyless, but was able to repair and adjust some ESA and Omegas. those movements are far easier than bulovas, even with my hands and a microscope. Not dealing with tasks as I only dream with better tools, but keen to learn and share if I can help in any way. Again thanks for the welcome post. Ricardo
  20. Ok in my effort to try and determine the case construction of this N6 Bulova Accutron, I came across something interesting. I was looking at a couple of Seiko 5 Sportsmatics that I have and noticed something. In the pictures, from left to right is a Seiko labeled "EGP" (left), Seiko labeled "SGP" (middle), unmarked Accutron (right). Now I can tell a difference between the "EGP" and "SGP" Seiko cases. I don't know if you can see from the pics or not. In the "SGP" near where the lugs meet the case, there are small blackened areas that seem to me to be "base metal" beneath a gold plate. This is not the same as the "EGP" which does not have these spots. Now, I assume for Seiko, "EGP" stands for electro-gold plate while "SGP" stands for Seiko gold plate or solid-gold plate. The Accutron has these same blackened areas at the lug ends as the "SGP". These areas almost look as if there is a base metal covered by a gold plating. As I said the "EGP" does not have them. Can anyone confirm? Sent from my iPhone using Tapatalk
  21. A nice watch with a long name . Automatic , 19 jewels , day / date with the day in Kanji at 6 o'clock , 38mm w/out crown , the standard Orient date change push button , and a scuba dude emblem on the caseback . A friend and acquaintance from the Seiko Citizen Watch Forum and regular seller of hard to get Seikos and Citizens on Ebay , that goes by the username of Seikocitizencollector , emailed me and asked If i could look at his NOS CitizenHi-Sonic for a few repairs . On a normal mechanical watch the repairs are minor , but the Hi-Sonic has the same movement as the Bulova Accutron tuning fork 218 model . The stem would not stay in the watch so he took it to a watchmaker for the repair and when he got it back the stem was still out and now the watch would still hum but not run . He sent the watch to me and I discovered that the setting lever screw was broken . To replace the screw you have to remove the train wheel bridge ,which on a regular mechanical watch isn't a big deal , but on an Accutron you start sweating bullets because you have to deal with the tiny index and pawl jewel fingers , and the VERY delicate 320 tooth index wheel . To make a long story short I asked for a watch in payment . He was awaiting a lot from Japan and he gave me several good choices , and I chose the Orient . When I got it I found the tightest case back in the history of the world . It was tight , had dirt and was rusted to the case . It took me a couple of weeks to finally loosen it . I found a very clean movement inside . It came with an expansion watch band which I changed out with one I had in my stash as well as install a new crystal ........... The Gentleman was also kind enough to include a bonus watch . A Seiko 5 , with a 5126 - 7040 movement and case . The 5126 movement is a little more complicated then the standard Seiko movements in it's autowind mechanism . Gears instead of the normal "Magic Fingers "
  22. The Voumard Accutron Hallmark and Hunter are all running. The Hamilton pocket watch runs when I give the barrel a little pressure with my thumb nail. I'll have to look for a stem to give it a wind.
  23. Welcome to the forum. I have 2 Bulova Accutrons. 1 working fine and the other a parts donor. After reading the service manual and watching a few YouTube videos on Accutrons, I don't think I have the guts to disassemble one. There is supposed to be an index wheel in there with teeth so fine and delicate that if the second hand is not fitted spot on without any rotational movement, the teeth could get damaged. There aren't many watchmakers out there who can service an Accutron. If you search the web, there is only a handful. Good luck in your seach.
  24. Very Interesting! Good luck! I couldn't help but notice how closely the wheel in your 5th picture resembles the index wheel and fingers of a Bulova Accutron (at least I think it does)
  25. Welcome Brad, I did run across this blog https://jpmoeller.com/2017/01/03/bulova-accutron-2181/ that might help you a bit further. If this was a "hey, I just found this old watch from Dad and I'd like to tinker with it" project, then by all means, go ahead (cautiously) and get some practice movements first. If this is an heirloom that you want to keep and wear to remind you of your father, then I'd highly recommend taking it to a professional watch repairer rather than attempt it yourself. With your first watches you take to pieces you WILL break parts, lose parts and be unable to identify parts for replacement, let alone being able to source them. It's part of the journey we all take and it's best to cut your teeth on something that wouldn't be too difficult to toss into the bin.
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