bertieng Posted February 17, 2007 Report Share Posted February 17, 2007 As title said, any idea from the ETA experts? Mine is ETA 2893a2. Does +/- 45 seconds a day is normal? Thanks. Quote Link to comment Share on other sites More sharing options...
vaccum Posted February 17, 2007 Report Share Posted February 17, 2007 I would say 0 to +30 secs per day is acceptable. Quote Link to comment Share on other sites More sharing options...
TJGladeRaider Posted February 17, 2007 Report Share Posted February 17, 2007 As title said, any idea from the ETA experts? Mine is ETA 2893a2. Does +/- 45 seconds a day is normal? Thanks. I have a rather large collection. +/- 5 secs a day is actually a lot more common than you might think. +/- 10 seconds a day is perfectly ordinary. Anything more than that and I'd be making adjustments. Bill Quote Link to comment Share on other sites More sharing options...
lovepanerai Posted February 17, 2007 Report Share Posted February 17, 2007 here is the table the specifies the COSC standards - you are extremely lucky if you get even close to that with any replica, even the ones with Swiss movements Quote Link to comment Share on other sites More sharing options...
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