Would COSC really matters for you?

[nicholasds]

I am pretty sure most of you know about COSC. Will a watch with or without COSC really matters for you? Or we say highly precision of the watch (+/- 1,2secs a day or a month) is it really affect your choice of watch?

For me, COSC is like a confidence and assurance of price i paid. I got myself Rolex GMT Master II and Oyster Perpetual and both are COSC, I feel satisfied.

[elado249]

Nope, for me it doesn't. Even without cosc many watches out there can achieve good/excellent timing. Several seconds per day is not a bad thing,plus it always not minus seconds, sometimes it can be plus seconds. Like we always on time when going somewhere

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[Cocas]

Yes, it was 2 decades ago.....

[ckk125]

when i started buying watches, cosc is like the 'benchmark', but now, got or not makes not much of a difference

[dualcarb]

No...I have many watches that are not COSC, and they are accurate to within COSC standards.

[nicholasds]

Such as what watch?

[ianwong]

Doesn't matter to me but must be about +/- 10 sec a day.
My luminox which is a quartz is amazing I only set it when I change date and it's normally less than a minute fast.

[D'Andy]

While it may be nice to have COSC bragging rights, non-COSC watches could be regulated to COSC standards under the right watchsmith. I have had watches armed with the common ETA 2824-2, SW200 and Seiko movements regulated to such precision that it literally shadows my 3135 movements. So, it's only a matter of finding the right watchsmith to take the time, effort and patience to transform your common movements into COSC standards.

[JeepWH]

Its nice to have one, but without its also ok.

[ianwong]

I wonder if a COSC certified watch will stay accurate longer than a non certified piece. If that was part of an extended warranty given to only tested chronometers then it would really be worth getting.

[GMTmaster]

why not...

[hidden830726]

Top movement usually enough.

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