Depends on the particular complication of the watch:

Jun 24, 2019,11:21 AM
 

If a watch includes a chronograph then it 100% should be +/- < 1 second within the max time recording limits. This is why I view the Grand Seiko Spring Drive chronograph as the best ever made. My Patek 5960 is also almost exactly accurate when worn over a 12 hour period.

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What is your tolerance?

 
 By: Thomas_3 : June 24th, 2019-07:09
I saw a post earlier regarding regulating a watch and how accurate it can be made. What is your tolerance for accuracy, a second or two a day, 3,4 or more? The way I look at it is this way, I want my watches to be accurate but they don't have to be right ... 

I don't mind few seconds..

 
 By: woodman : June 24th, 2019-07:17
I rotate my watch on daily basis and don't believe in winders(hence my love for three hands w date watches) so set them whenever I wear them

And me

 
 By: Rapwatch : June 24th, 2019-07:23
like leaving your car in the garage idling.

Great comparison! [nt]

 
 By: amanico : June 24th, 2019-07:31

Couldnt agree more. I do the same.

 
 By: @lberti : June 24th, 2019-07:32
It would bother me though to know that my watch is not "accurate". But then again, i dont test them at all. Just wear the.

That is very true,

 
 By: woodman : June 24th, 2019-17:56
It would bother me IF my watch is not accurate, but I don't test them to find out... just trust the manufacturer with overhauls

Don’t really care

 
 By: Jurry : June 24th, 2019-07:35
I must admit I don’t really care about the accuracy, if it’s unworn for a while you must adjust or wind it anyway But I do like winders just for the convenience of just having to set time and occasionally the date but most of the times the watch I want is... 

I don’t own any vintage anymore, but the ones I had were running at about 3-5s/day .

 
 By: ZSHSZ : June 24th, 2019-07:56
The modern watches that I own or owned has to be +1-+2 , otherwise they go on the chopping block . If John Harrison was able to do a chronometer in 1763 that ren at around +5s/day , then with today’s overused “technology “ it has to be better. I time my w... 

My tolerance is 5 seconds a day

 
 By: sham1 : June 24th, 2019-10:28
I once had a Blancpain Tourbillon which was 15 seconds fast a day. I understood why it had been sold to me at a 75% discount! Fortunately, I managed to sell it an an auction. For me nowadays, the beauty of the movement, case, dial and hands is insufficien... 

Great Topic!

 
 By: baufoam : June 24th, 2019-10:59
I have only ever worn mechanical (mainly automatic -winding) watches. I have become accustomed to whatever watch I am wearing to be accurate within about 5 minutes per month. I am totally good with that. Recently, I bought a brand new Patek Philippe 5320g... 

40 seconds a month is indeed impressive

 
 By: sham1 : June 24th, 2019-13:02
That 324 workhorse movement in your 5320G is quite something.

Depends on the particular complication of the watch:

 
 By: Katzky1 : June 24th, 2019-11:21
If a watch includes a chronograph then it 100% should be +/-

I have to confess that I want my watches

 
 By: MTR : June 24th, 2019-11:59
to be accurate. Even if I know that these are mechanical watches. I have the luck that most of my watches are reliable in this respect. I can easily accept +1 to +4 seconds per day, but cannot bear when one of my watches loses time. Thanks for this intere... 

With any vintage, even one that shipped out as a chronometer, I'm ok . . .

 
 By: Dr No : June 24th, 2019-12:32
. . . under ten seconds per day. Any more than that and it's back to my watchmaker for regulation. Art

A minute per week [nt]

 
 By: Marcus Hanke : June 24th, 2019-14:52
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