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unreformed66, have you worked on a Yuki? Prior to the hike in price. It was $340. I spent $300 to $500 in parts. I clean it myself. I have them running +/- 2 sec. Reliable calendar and winding. I have one that My friend converted to a 3185 and it's running amazingly. So much that I have a brand new 3185 with the antimagnetic spring and balance and I haven't swapped it over. I have a Rolex 16710 that is all real minus the movement which is that Yuki/Rolex 3185 hybrid. So yea I can defeantly disagree with you on the quality. Rolex 3135 is a better movement than a Yuki. Undoubletlly but a well serviced and modified Yuki will run as well and give you a lifetime of service if taken care of.
Also so I don't know if you know but Yuki is the $ man. He doesn't "make" the movements. I was the first one to tell him that the balance of a Rolex won't work. The only reason I knew was because my friend Mike replaced every part using a Yuki main plate and the Rolex balance would only work for 20 -30,seconds. I have the email Between Yuki and I talking about it and he said he didn't know and that I was the first one to tell him that. He knows he has a great product and that with the right watchmaker or hobbiest is just amazing.
Yes if if you take a Yuki that comes from the factory and throw it in a movement it will work. I've seen them working amazingly from the factory. But you look at them with a loop and they are dirty as hell. Dry as hell. I've seen reversing wheels already wearing. I've seen hand pinions bent. I had a person here send me his brand new Yuki and wanted me to just throw it in a v6s. I alway check the calander work prior to installing a new date wheel because you WILL destroy it. Well the brand new Yuki calander wheel was slipping. I have the gear at home and you can see the teeth are destroyed. That is from the factory. I ended up feeling so bad for the guy I brought everything from him because he didn't want to or didn't have the money to put the gen Rolex parts.
Point being. If you are a hobbiest who wants a good sub that will pass with 99.9% of people go with a TC and a gen 2824. That watch will last you a long time. You want to be a hobbiest like me. Buy that TC and make it yours. Wether it be with a watchmaker or yourself. Upgrade the crap out of it. Slowly, quickly, what ever speed you want. But make it your watch. The Yuki is a upgrade IMO to the ETA. Works identically to a 3135. If I had it in my hands and adjusted the time I would think its a 3135.
Again in this whole thing is for a modern Rolex. If your looking to make a 16800 or prior then a ETA would be the way to go. Everything adjust the same from a 3035 and a 2824. I hope this helps. And sorry for typos. I'm on a iPad.
Cant wait to to be home with my laptop. Lol.