Does IWC has COSC ?

[jSkywalker]

Hi,

I'm new to IWC.

Does IWC has any chronometer certfied watches ?

What are the models ?

[Hary]

https://www.iwc.com/utilities/faq/fa...nometer-en.asp

Hope it helps

[jSkywalker]

Thanks, very informative website.

Just don't understand why they don't send their watches for COSC after all these years.

Also does IWC make all movements for their watches ?

[Hary]

If the internal QC is better than COSC and they are proud of it, COSC seems to have less value in supporting their marketing. IWC fans buy their watches not because of COSC. Some watch companies get COSC certificates for almost all their product range. I remember seeing the rank of watch companies who got certificates from COSC. Omega, Rolex and Breitling are definitely on top of the list.

IWC makes some inhouse movements, but not all models. For chrono, mainly Valjoux based, even for most complicated model in their range. You can read many articles in the net about this topic

http://watchtalkforums.info/forums/showthread.php?t=147

[rolexsuperman]

My IWC watch more than 10 years,+4~5 second daily.Do it need COSC?

[ping3288]

brands like PP, AP, VC, Lange, Breguet also do not send in their watches for COSC

Thanks, very informative website.

Just don't understand why they don't send their watches for COSC after all these years.

Also does IWC make all movements for their watches ?

[ohlins]

brands like PP

they do... just not every model

[fishcake2005]

Read tis from an interesting article:-

"COSC testing process appears rigorous, in practice the tangible benefits are debatable, because the COSC tests only the movement, and not the entire watch. After the movement has been tested and certified by the COSC, it is returned to the company that submitted it. The movement may be disassemble, lubricated and reassembled, before having a dial and hands installed and placed into a case. The intervening processes between the COSC tests and finished product could mean that the movement performs nowhere near the results obtained by the COSC. Furthermore, the COSC tests are not reliable indicators of the quality of a movement. Instead, they reflect its quality of adjustment."

[fishcake2005]

My IWC watch more than 10 years,+4~5 second daily.Do it need COSC?

Well, is ok as long as it fall between -4 to +6 sec per day.

[IWCman]

my IWC GST also -4 ~+5/6 per day, i'm fine for it.

[darth-khips]

Read tis from an interesting article:-

"COSC testing process appears rigorous, in practice the tangible benefits are debatable, because the COSC tests only the movement, and not the entire watch. After the movement has been tested and certified by the COSC, it is returned to the company that submitted it. The movement may be disassemble, lubricated and reassembled, before having a dial and hands installed and placed into a case. The intervening processes between the COSC tests and finished product could mean that the movement performs nowhere near the results obtained by the COSC. Furthermore, the COSC tests are not reliable indicators of the quality of a movement. Instead, they reflect its quality of adjustment."

yupe...thats all COSC is. go check out Grand Seikos standards versus COSC

[fishcake2005]

yupe...thats all COSC is. go check out Grand Seikos standards versus COSC

Ya, Seiko has won most of the prizes for mechanical as well as quartz movements. Thus it is noteworthy that the 2009 International Chronometry Competition is only open to European watchmakers - the organisers explain that they lack the resources to provide material in Asian langauges.

[Wenda]

This is more like a marketing strategy than a true reflection of real world performance. COSC test doesn't involve testing when the movement has the complete dial and hands (it's only bare movement tested). Apart from that, the range of accuracy is considered easily obtainable by most of today's mechanical movement.