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killshot
·Wear it! You can always service it down the line
You are putting my statements in incorrect context, intentionally I suppose. The examples you had shown previously had absolute minimum wear, and that is what I referred to as merely needing a slight polish. The examples you showed now are, of course, beyond polishing.
I will retract from this discussion. I just had intended to note that what is not bad needs not to be repaired/replaced (i.e. the examples with absolute minimum marks, not the ones shown in your response now). I am a private person, attend to my own watches only, and do not need to make a living from repair work, luckily. And I do not mind, if "the entire watch industry" wants to sell new main springs and the related work. If a watch runs down 30h with good amplitude, I will for sure not give it to a professional service person for fitting of a new main spring. Why should I?
Cheers, Bernhard
P.S.: Each time I purchase a watch I of course look into it and service/repair it, if the amplitude is insufficient or something is wrong. And do not use it until serviced, if I find that it needs a service.
How closely are you looking? Here's a customer's watch that he gave to his father new, 7 years before it came to me for service, and was worn daily...ETA 2824-2 inside. Looking at the condition of the jewels before disassembly, you see either dried up oils or products of wear. Here are the jewels and the condition of the pivots - escape wheel:
Intermediate wheel:
Third wheel:
Seconds wheel:
In my experience, it's rare to have a watch come in for service that doesn't have at least 1 worn part inside...
I just need to get this right. In my 7:05 pm post I cited your 4:10 pm post. In your 4:10 pm post you showed 3 examples for looking "closely", see below. That was the context. Not anything where one needs not to look closely to see severe damage.
If I notice marks on pivots like the ones shown, I slightly (!) polish them and thats it. But that is not too often.
Aside this, "amateur" work is not necessarily to lower standards than "professional" work. Actually occasionally the contrary is true, if the amateur knows what he is doing. You apparently are a rare exception in the professional field (and I mean this serious).
I once gave a Rolex GMT Master II away for service to an alleged local expert for vintage watches, stupid me. I got it back after 3 months and paid 400 €. And found that it had not even been opened (I had placed a mean tell tale artifact, just to know). I did not complain by the way, just put him on my black list for purchases and decided to continue servicing (and repairing) myself. I therefore respectfully ask that amateur work not be disparaged in such a general manner, especially if the quality of e.g. my amateur work is not known. You are correct that really awfull bodging does occur by amateurs, but just the same is true for professionals. Concerning the latter, you know only afterwards AND with the necessary own knowledge.
Cheers, Bernhard
One reason for our discussion might be that we come from different ends. You are a professional and deal mostly with "modern" stuff, where there is an option to replace parts by new ones or nos instead of repairing worn components.
One interesting aspect of this thread is whether “wear” can be objectified if it’s subtle. In other words, is it a binary function (any wear noted, part gets replaced); or, is it part-dependent, meaning certain parts are permitted a bit of wear, but are still acceptable, whereas others must be replaced.
I see many of the parts in this thread that have been deemed “worn” have been subject to magnification to what appears to be beyond a typical loupe. I wonder what standard most watchmakers use to confirm wear, and whether the loupe is the typical assessing tool.
A 10 or 12X loupe is not enough magnification - you need to use a microscope. Also, understand that the photos I'm showing were all taken as part of the documentation of the service performed on a customer's watch, and that documentation is presented to the customer when the service is completed. I'm trying to show an "untrained eye" what is wrong with the part that I am replacing, so the high magnification is in part needed to illustrate why I'm charging them for a new part. If they want to and have the ability to see the parts under magnification, they can confirm what is shown as the parts are returned to them.
The determination of what is acceptable wear is open to some amount of interpretation, but Omega does have standards for this. In their technical documentation (Omega work instruction 14) they show various types of marks that can be on pivots, and tell you if it's acceptable for re-use, or if it must be replaced. Nothing I've shown in this thread would be considered acceptable for re-use by Omega's standards. I won't show the photos, but the description of the marks that are not acceptable is as follows:
"Traces of wear, scratching, groove, rust or traces of oxidation."
This work instruction also shows what is acceptable on the rest of the watch, such as hands, dials, cases, crystals, etc.