The Breitling Watch Source Forums

I feel I am lucky with my Chronomat as its running about -2 Sec a day slow, well within COSC.
But that nearly one minute per 4 weeks 56 secs to be precise, and any way I like setting it to official time. every so often.

Now then!! what if you are on are on the edge of COSC running at -4 Sec per day that's 112 Sec per 4 weeks. Nearly 2 minutes.

That said, what if you are in need of a service but holding out and running at -10 or even -15 sec per day, that's about 4.6/7 minutes per 4 weeks!!!

I am pretty fussy/odd/strange or even freaky about things like this call it what you like but I like to set mine about once a week.

So as the title of the post says, how often do you set yours?


Breanach78

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Breanach78

A Few Breitlings.

Unless I note that the watch is out of synch with the others I will adjust them on the seven times a year that I have to adjust them anyway (months without 31 days and change to / from daylight savings time). If a watch can handle the 31 days then it's only if I note that it is significantly out - couple of minutes or so - no idea how often that would actually be, but not that often.

I am fairly anal about my watches being as accurate as possible...so I adjust the time about every 7-10 days.

Honestly - every other time I put one on. I'm still prety new to this so it not a pain yet.

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SHARKMAN

I have two that I wear consistently, switch every 1or 2 weeks. They both run 2-3 sec fast per day so I adjust them when I switch or when the date needs adjusting at the end of the month (if needed).

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Chrono Jetstream
Montbrilliant 1903
Aerospace E79362

Assuming a watch is running to COSC specs (and not massively gaining or losing time), then I'm like Roff in as much as I only do it when I need to adjust the date for non-31 day months. I don't need to live my life to 100% accuracy so if it's within 5 mins of the actual time I have no problem.

Incidentally the longest period of consecutive 31 day months in the year is just 2 months (Dec and Jan, and July and Aug), so if you include the following month (i.e. up until when a date correction is required) it means that the most number of consecutive days in a year a watch can run without a date correction being needed is 92. (This is 1st June through to the 30th Aug).

That means that the "most wrong" that a COSC rated watch will ever be (i.e. assuming a constant +6 secs a day which is at the far end of the COSC tolerance) is 9 mins 12 secs. In practice I find most mechanical watches do not gain or lose completely consistently, so I find most average out at around +2 or 3 secs a day. At +3 secs a day, it means the watch will be out by 4 mins 36 secs in 92 days. At +2 secs it's just 3 mins wrong. I can live with that!

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Driver8

Site Moderator

Mine runs about 1 minute slow per week and I adjust it probably every other. But wtf.

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Past: BlackBird, Navi World, SA, Rolex DJII, IWC Yacht Club
Present: CE, DSSD
Future: Changes daily

Since mine runs ~+5-6 seconds a day I started setting mine BEHIND -2 minutes at the start of a month. Then I don't touch it for TWO months. I did this to break my OCD about having the exact time with a mechanical movement.

So far I've only adjusted the time on my watch whenever I forget to wind it and let it sit so it stops. I will probably only adjust it on months with less than 31 days and for daylight savings. My watch is running about +5/day so I can live with my watch being a tad fast, especially since I'm notorious for being late.

Also, if I wanted to know the EXACT time, then I have my cell phone for that.

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Current:
Breitling Chronomat Evolution

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UN Maxi Marine Ti
B01, BEB
SOH
Aerospace Ti
Chrono SO
Omega 300 Master Co-Axial Chro
Omega PO Chrono.
AP ROO Diver
Titan Black Rolex DSOD Honeycomb Dial

Well spotted! Yes, I meant from 1st July to 30th Sept (or 1st Oct). Like a dope I said the correct months earlier in my post and then managed to shift it a month when I said the actually dates later on! Oops! Still, yes it's still 92 days either way.

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Driver8

Site Moderator

Nice to see people's thoughts about this.
I think it would be a good ides, like whats said about, to set it fast by whatever its slow over whatever period you set at! Say you were setting every week ,say for instance losing 1 munite P/W, start setting fast by 1 minute then at +1 W its "correct" and at +2W its -1 minute slow!!!!!

If that makes sense!!!

Good idea/bad idea???

Oh the joys and the calling of SuperQuartz!!!!

Breanach78
All the way!

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Breanach78

A Few Breitlings.