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Showing results for tags 'mainspring'.
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Recently, I serviced a Gruen 490SS automatic but ran into a mainspring issue. Apparently, this movement uses an older style automatic mainspring. Rather than a bridle, a short piece of mainspring is wound into the barrel with a metal tab at the end facing toward the arbor and a regular manual mainsp...
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Hello everyone, I recently acquired a watch that I've long considered a "grail". A JLC Memovox. Specifically, the reference E875 ("Speed Beat") with a calibre 916. I got it for really good price and it is in full original condition. It's still running quite well, but I do want to s...
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I got a little 3D printed mainspring winder (8mm) I'm trying to wind the spring for a 10mm barrel. This a Zim2602. Am I breaking them because the winder is too small for the spring? Or is this a case of user bumbling? -
I'm having a devil of a time trying to insert the barrel arbor into the mainspring. I don't want to bend the mainspring out of shape so i'm turning to this forum for suggestions. I have taken Mark's course and (repeatedly) watched the chapter on "FITTING THE BARREL ARBOR AND LID". - He men... -
I've been watching YouTube and getting more and more confused. I've seen people use machine oil, engine oil, engine oil additives (Slick 50), D5, bearing grease, molybdenum disulphide grease, graphite grease, chain lube, PTFE dry lube.... Some advise putting a thin film, while others really sla... -
Hi everyone, does anyone know how to open this kind of barrel?? I'm working on a Jubilee watch with CRC 862 movement and it's been driving me nuts. I tried the usual way to pop off the top (pressing evenly on either side of barrel body wheel) but it doesn't seem to be budging and I don't want to for...
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Hi all. The story behind this watch is - It was given as a gift for long service to a gentleman. He had a choice of a gents or ladies Rolex and he chose the ladies and gave it to his wife as a present. She wore it everyday and cherished it. She left it to her daughter who kept it in a drawer no...
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mainspring Replacing mainspring on Rolex Cal 1030
PaulnKC posted a topic in Watch Repairs Help & Advice
Greetings All, Hope that all are doing well - in this crazy COVID world. I recently acquired a 1958 Rolex Ref. 6569 with a Cal. 1030 movement. All-in-all very nice and clean for her age - and runs very well. The winding pinion and clutch wheel had worn each other out - so I found NOS... -
I'm interested to learn the definition of a pocket and a wristwatch mainspring, in terms of dimensions. 1) What is the general height range for a wrist watch mainspring? Eg. 1mm to 2mm 2) What is the general diameter range for a wrist watch mainspring? Eg. 7mm to 12mm 3) What is the general he... -
Forgive me if this is a dumb question. I'm currently working on an AS 1187 1194 movement which has a broken mainspring. I have a bunch of NOS mainsprings and would prefer to use one of possible. After looking into it, it seems the proper mainspring size for this movement is Denn. 6 x 11 -- 11.5...
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After having experimented with some very cheap watches I thought it was time to attempt something a little nicer. Bought this silver pocket watch and took it apart. Noticed quite a few of the jewels were shattered so is likely to be beyond my skill set at the moment to restore anyway. Despite that,...
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Hi I'm trying to figure out how to reassemble this mainspring the mouvement is Felsa 4017N . I join photo As you can see the arbor seems to be sealed on the wheel I tried to free him but there are some dents that prevent this. It seems to be one piece. I've replaced replace the sprin...
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I too have a Longines 7084460 with broken mainspring. What would be the correct replacement spring for it and do Cousins do one.? The number is engraved on the movement. This number is engraved inside the case back. 23204 114 Thanks guys.
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I'm trying to release the tension in the mainspring on an Elgin grade 144 pocket watch and unlike my grade 291, this one has a hidden click and the main barrel is tucked underneath a plate. I've looked online and found a single forum post stating I need to push a pin or very small object into a...
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Hi everyone! I have recently acquired a couple of Vostoks which are giving me trouble. I know very little about watch repair, but am told that these ex-military pieces are pretty robust and easily fixable. Any advice appreciated! 1) a Komandirskie (apparently late 70s or early 80s). Worked like...
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WRT Members, I have a 50's/60's era Waltham men's wristwatch that needs some help. It's in amazing (as-new) condition, but while wearing the other day, it stopped - even though there should have been plenty of power in the mainspring. Disassembling for investigation quickly revealed t...
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Hi everyone, hoping I might be able to get some advice on re-assembling my watch movement. Working on a Bfg-866 movement from an older watch I got as something to practice and attempt to fix. I disassembled it and managed to get the arbour back in it's rightful place in the mainspring, which fi...
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I have an ETA 2750 movement and I need to replace the mainspring. My catalogs don't cover this caliber. The current mainspring, based on my measurements has the dimensions Dennison (Metric), W: 5 1/2 (1.45 mm), T: 9 (0.13 mm), L: ~ 14 1/2" (368 mm). However, due to its age and the fact that it's...
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Hi all, Strange I have two Fema clock movements to repair, both with broken mainsprings and one with a broken click spring, can you please tell me, are the click springs readily available???has anyone bought one, if so where from? Photo attached of good click spring, this is the type that...
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Hmmm, kind of! But........ It shows great potential as a hobbyist alternative, with some tweaking. After a back and forth with @Andyhull on another thread it got me to thinking perhaps it's not as useless as my initial annoyance led me to think, (I broke a mainspring trying it but to be fa...
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Recently replaced the mainspring in a vintage watch (a Westfield 7j). Cleaned and lubricated watch. Worked fine for several days. Now I have a problem in which it stops before the mainspring is fully unwound--power reserve appears to be less than 24 hrs, but I haven't done a precise check. Just...
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Hi, I have a Rotary Monza I am fixing up. I disassembled the barrel and removed and cleaned the mainspring. I secured a copy of the parts list and it shows that as well as the mainspring, there is also a Brake Spring (part 775 on the picture). What is it, and do I really need it? Certainly Cous... -
Hello. I am a hobbyist watch fan. I have recently serviced my Molnija pocket watch with caliber 3602(hand-wound movement). Watch was back in wonderful state (shown in photos) and ran roughly 40 hours during first day of test. After couple of days, I noticed that the watch stops after runni...
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I'm looking for a replacement mainspring for an old Elgin movement. CousinsUK seems to me to have the best "look-up" feature UNLESS your search comes up empty. The original spring is 0.1MM X 1.25 MM X roughly 270MM in length. this of course turns up nothing. What variable do you start with that...
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Hello! As stupid as it sounds: how do I oil the mainspring in a clock? I got Moebius 8200 for that. Thank you, Bogdan
