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| Chronomat 01 limited https://www.breitlingsource.com/phpBB2/viewtopic.php?f=1&t=29727 |
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| Author: | chr9s [ Fri Apr 29, 2011 10:12 am ] |
| Post subject: | Chronomat 01 limited |
I noticed my new Brietling is getting ahead abut 25 seconds per week. Is this normal? |
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| Author: | groucho [ Fri Apr 29, 2011 10:33 am ] |
| Post subject: | Re: Chronomat 01 limited |
25 seconds a week is about 3.5 a day, wich is pretty accurate for a mechanical watch. A new watch movement hasn't been broken in, so it will probably gradually slow down a bit over the next months. Also, the position it lays in overnight will have an impact on the rate. There are plenty of threads dealing with these things, so a forum search will probably get you all the information you need. BTW, congrats on a great watch. 
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| Author: | mrcheatle [ Fri Apr 29, 2011 10:38 am ] |
| Post subject: | Re: Chronomat 01 limited |
 I just sent my CE back to the "shop" cause it was doing 40+ per day!  
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| Author: | chr9s [ Fri Apr 29, 2011 10:58 am ] |
| Post subject: | Re: Chronomat 01 limited |
Thank you for the replies...I don't feel so bad now:) |
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| Author: | JacksonStone [ Sat Apr 30, 2011 8:25 am ] |
| Post subject: | Re: Chronomat 01 limited |
What groucho said. I'll just add that COSC certification on mechanical watches specifies a range of -4/+6 seconds a day. At +3.5 seconds a day, you're well within specs. That, of course, assumes that the average we get by dividing 25 seconds by 7 days is actually what your watch is doing. If the watch consistently gains around 3 - 4 seconds daily, you're fine. |
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| Author: | RJRJRJ [ Sat Apr 30, 2011 10:34 am ] |
| Post subject: | Re: Chronomat 01 limited |
JacksonStone wrote: What groucho said. I'll just add that COSC certification on mechanical watches specifies a range of -4/+6 seconds a day. At +3.5 seconds a day, you're well within specs. That, of course, assumes that the average we get by dividing 25 seconds by 7 days is actually what your watch is doing. If the watch consistently gains around 3 - 4 seconds daily, you're fine. Reminds me of the time I took my watch to a different AD for warranty work because it was running about 10-11 sec fast. The guy was telling me that it was completely normal. I told him that COSC was -4/+6 and he was like, "yeah, 4 and six is 10, so youre fine." I basically had to force them to send it out even though it was "just fine." |
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| Author: | JacksonStone [ Sat Apr 30, 2011 10:40 am ] |
| Post subject: | Re: Chronomat 01 limited |
I remember that story. Still cracks me up. Maybe if you told him, "This goes to eleven," he would have realized there was a problem.
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| Author: | F14D_Tomcat [ Sat Apr 30, 2011 3:39 pm ] |
| Post subject: | Re: Chronomat 01 limited |
chr9s wrote: I noticed my new Brietling is getting ahead abut 25 seconds per week. Is this normal? -28/+42 secs per week is within COSC specs |
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