Your Current Projects and Achievements
If you would like to discuss your current projects or show off your latest watch repair achievement and it is not an actual walkthrough please post here.
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I found a Trupoise in a flea market box of tools (š¬š§car boot). I preferred the ā8ā style tool until the moment I broke my new Omega rivet. The trupoise holds the arms firmly and Iāve become quite efficientā¦ ā¦and I just resorted to bending a balance cock. I needed a tiny bit less shake and it seemed the least risky of the other options. I held it between a stump and a fat stake while I bent the jewel end with my fingers. Honestly I donāt know how anyone would know by visual inspection.Ā -
By Neverenoughwatches · Posted
It was about 4 years ago, one was 30, another 35 and 2 others came in joblots that I was after something else. 3 have ruby jewels and one has ceramic bearings.The most I've seen one sell for is Ā£330.Ā In the uk i still see them sell occasionally for around Ā£70.Ā I'm not convinced that the Trupoise has low enough friction on the pivots to be as good as a traditional tripod poising tool with unworn ruby jaws. -
By ScrewDropper · Posted
I have a Record 525 which is in a pretty bad way. From what I can see it is based on a cal 650 with an automatic bridge and centre seconds pinion under the rotor retaining stud. Ā There are additional bearings in the train bridge for the bottom pivots of the automatic works. Of these, on has come out of the bridge completely, one is a bit mangled with an egg shaped pivot hole and one is half in, half out. I've made bearings from scratch on the lathe before, but only for pocket watch pivots (i.e. considerably bigger than these!) and these bearings are either plated or not brass, to match the bride plate, I would guess. I could not find a bridge on eBay so I started digging. I checked new Ranfft site (not help, but the new one seldom is) then the cousins download centre but I could not find a document for a cal 525. I did, however find one for the 650 and, scribbled on the page are the words "= Longines 701". So, obvious next step (or so I thought) would be to check the docs for Longines cal 701 and then see if there is maybe a cal close by, based on that cal with a rotor. I checked, no 701 in the downloads section.Ā I did find some Longines 701 parts on eBay, which look similar to the 650 (i.e. the train bridge looks to be the same) but I feel I have hit a dead end. I have added some pictures that you may find helpful and I have photographed the entire strip down so I have more, if needed.Ā I feel I have few options: 1. Close the brewing holes up and reinsert the loose bearings. Close up the pivot hole on the 3rd bearing and hope that does the trick. 2. Make some new bearings (doable but tricky and will look wrong) 3. hold out for a 525 bridge to come up online. I get the feeling this is a rare movement though (all the more a shame it is in such a bad condition) 5. See if there is a Longines equivalent and either use that, or transplant the bearings from that bridge to the Record. Any help identifying the Longines equivalent (if it exists) would be appreciated. Any suggestions on the alternatives I have discussed are also welcome -
Really you paid that little for a legit Trupoise? -
By Neverenoughwatches · Posted
Nailed it Andy š It kinda was, but had a happy ending all the same.
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