Just don't worry about it.
This has bugged me for a while. Typically your high end dress watches traditionally are 2 handers with no date and no second hand. So how do you check if the watch is running accurately if you can’t tell until it’s either a full minute fast or a minute slow?
I assume you could still run it on a timegrapher but if you don’t have one what do you do?
Just don't worry about it.
You just have to measure it over a longer period eg +1 minute over 2 weeks would be about +4spd.
Or use a timegrapher.
Or you just buy a Grand Seiko 9F quartz watch for those few times where ultimate precision actually matters.
If you are working on it, and it isn't cased up, you could compare the balance movement to one working well, which has the same bph. Or, use a strobe light. Best to have a timer, however.
If you aren't working on it, but it a real dress watch and you are just wearing it, then it is most certainly not quite, quite to be worried whether it is +/- a couple of minutes a day.
Best wishes,
Bob
This is precisely why this Chopard L.U.C. exists in two versions
I have a few two-handers, and I find that I can tell the time to within a few seconds at the point the minute hand hits one of the batons. Just do the same 24 hrs later and compare, allowing a margin for error. Don't know why it would have to be a full minute out to be noticeable.
If it's a dress watch, then surely you set it and wind it just before you put on your dinner jacket or lounge suit, and as long as you're not late for your carriage at midnight then it's accurate enough.
Indeed a watch that gains 10 minutes an hour would be advantageous to give you a flying start at separating the good lady wife from the wine waiter.
Suppose you would have to take a long average .
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Assuming the OP is using the term "dress watch" in the correct term, then it really does not matter. A dress watch is traditionally around 34mm, gold, place face, hour and minute hands only with a black leather strap. Strangely enough the convention is that you don't dare to look at it during the formal event as it makes you look you want to leave.
So if it is good for a minute over 24 hours, don't worry.
Time machine
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