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I was lucky enough to win on the bay a Zodiac 70/72 automatic at a reasonable price. I knew the hairspring was shot but wasn't expecting what I found. On receiving the watch and opening the bag I thought I know that smell "OIL" Looks ok dial needs a bit of a clean but the case is in good Nick. The back shows hardly any wear so a good polish should sort that out. So I open it up and once again the over powering smell of 3 in 1 hits me like a slap to the face. The stud holder has come off but luckily is in tact. I start to strip down the movement. Out of the case and case ring removed. Dial looks ok hopefully dust a light wash in soapy water will get rid of the oil and remove alot of the spotting. Dial removed and my first glimpse of oil. Flip it over and take a closer look it the movement the hair springs a mess and the balance is wobbling like a 16 year old on a night out. Rotor off. Reversing wheels a bit of staining and more oil. Auto wind wheels and balance removed now like a fool I forgot to take a photo of the spaghetti mess of the hairspring and the staff had a broken bottom pivot. I decide to drop John at obsolete watch parts an e-mail and luckily he has a complete balance at a very reasonable price and further more if I post the movement to him when I've cleaned it as we are unsure whether its the correct one for the movement as according to J boreal the base caliber was a AS 1649 he will try it before I buy bit now that's service for you . Look at the oil its dripping in the stuff. crown and ratchet wheels Now the barrel on this caliber is a sealed unit and has wrote on it very faintly do not open. But I'm not worried about it being oiled it has enough oil on it to last forever. Look at all that oil its been dipped I'm sure. Barrel out. Train bridge off. That side is stripped just alot of oil and a bit of staining. Dial side more oil date ring a bit stained. Oily That's It stripped down and ready for the ultrasonic. The cleaning went well and the assembly was just a reverse of the strip down. I then sent the movement of tho John and he fitted the balance and returned it all within 2 days the man's a star. On reassembly and leaving to run after I had adjusted it on the timing machine I noticed the hands were only moving 5 minutes in the hour. This was the culprit a slipping clutch wheel on the offset cannon pinion. Luckily Rogart69 heard my call for help and directed me in the right direction as to how to tighten it many thanks to him. So here it is running nice and looking good.

Hi, restoring my zodiac olympus, I am facing the same problem cad101 described "that culprit the slipping clutch wheel on cannon pinion cad 101 fixeď". I most apreciate if you takes the time to send me instruction on how to fix the slippage.problem. Regards nuce joe

What do I do to remove the crown in this movement? Is it the deep inset screw or no? Thank you for any help

Hi all, This is my first post, so apologies in advance if this is the wrong forum. However, I am looking for advice and repair help, so this seemed like the place! I had this watch for about 2 years, brand new, never worn. I took it out today and as I was sitting on a chair, I tried to put the watch on, it slipped off my leg and hit the floor, cracking the crystal right down the middle! It looks to be intact, but obviously I want to fix the watch. It was keeping great time, and I wanted to start wearing it. It is still running, and there does 't appear to be any pieces of glass on the watch face, either floating around or caught under the various hands. I have attached a photo of the watch, and am also including a llink from the zodiac website for a listing of the specs. [ http://www.zodiacwatches.com/en_US/shop/air_planet-ZO8100P.html?searchTerm=ZO8100&imagePath= ] (exclude leading and trailing bracket and space when placing the url in your browser.) My questions: 1) this is supposed to be a dive watch, and it has a perfectly flat crystal. I watched a repair video on youtube that replaced a similar-looking crystal, but I have no way of knowing how similar it was, if at all, except for the shape and the flatness. Where can I find a replacement crystal for this exact watch? 2) is there any way to tell what this crystal is made of? I thought it was sapphire, but I didn't see any indication of that on the website or the watch itself, so perhaps you all might know. 3) is this something someone brand new to the hobby should and could tackle, or if it isn't, can anyone give be a ballpark of what I am looking at in terms of repair costs? I am hesitant to start taking this watch apart for my first repair, since I have very little idea of what to do... I have seen people use a small plastic disk and a mallet to remove a crystal, as well as a small press, which has also been used to insert the new crystal. I am thinking this would be a relatively inexpensive and quick repair for someone who knows what they are doing and who has access to the correct crystal. However, perhaps if I could find the correct crystal and folks here think this is a good, doable project for a beginner, I will consider tackling this one. Thanks for reading this. Also, could someone tell, just by my description of how this crystal broke, if it is a sapphire crystal? Or is what I described of how i broke a characteristic of some other type of hardened glass or plastic material? It seemed like incredibly dumb luck when it broke, but things happen. I don't want to compound the problem by turning an easy fix into a nightmare. Thanks all for your help and advice!