C65 Super Compressor Timing Accuracy

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Lochinvar
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C65 Super Compressor Timing Accuracy

Post by Lochinvar »

I note some of you have purchased the C65 Super Compressor and my question is directed to those owners
who can attest to the timing accuracy of their watches as i am rather partial to acquiring one myself. I have other watches from well known ateliers who use the very reliable Sellita SW200-1 movement which seem to be well regulated without having to go the chronometer COSC standard route. The timing tolerance range is much better than the general margins of accuracy as stated on the CW tech specs. I find the smallest deviations are recorded when the watch is left dial down.
I would be interested to hearing from any member who is familiar with the C65 Super Compressor.
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Re: C65 Super Compressor Timing Accuracy

Post by albionphoto »

+4s/day crown down (overnight)
+5s/day dial up (overnight)
No complaints at all.
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Re: C65 Super Compressor Timing Accuracy

Post by Lochinvar »

That is reassuring to know. Much better timing tolerance than I imagined 👌.
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Re: C65 Super Compressor Timing Accuracy

Post by albionphoto »

The accuracy will vary from watch to watch and from use case to use case. My last two CWs (C65 Super Compressor and C65 Black and gold) have both performed similarly. It seems CW do a good job regulating the watches before sending them out into the world.
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Re: C65 Super Compressor Timing Accuracy

Post by Mark_B »

I have just ordered a C65 Super Compressor at the weekend, so hopefully I will be able to report back soon. - when it arrives I'll stick it on the Time Grapher in the different positions, to see how it fares straight out of the box, so to speak.

.....If someone reminds me - (I WILL forget :lol: ), I'll re-do it after a settling in period also. - providing its a keeper of course, which I have no reason to think it won't be, especially as a very helpful lady in customer services has confirmed that the dial can be exchanged in due course if I can't live with the text misalignment on the dial. :thumbup:

I tend to change watches too frequently to check timing over a longer period, say a week/month, but I do like it when you get minimal deviation. :-D
CW: C8 Flyer UTC, C1000 Typhoon Cockpit Edition, C65 Super Compressor, C60 Trident 600 GMT and Many others!
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Re: C65 Super Compressor Timing Accuracy

Post by BarnabyNutt »

Same movement in my C60 elite and that definitely needed a running in period. It ran well outside of COSC certificate numbers for a month or more before settling down and now, according to the Toolwatch app, sitting consistently around -4s/d
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Re: C65 Super Compressor Timing Accuracy

Post by Wolfman53 »

Slightly disappointed to discover mine is running at + s/d when checked over the last few days.
Is that within Spec?

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Re: C65 Super Compressor Timing Accuracy

Post by Wolfman53 »

Wolfman53 wrote:Slightly disappointed to discover mine is running at + s/d when checked over the last few days.
Is that within Spec?

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Sorry. + 15s/d

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Re: C65 Super Compressor Timing Accuracy

Post by Ian Mc »

Timed mine at - 0.6 secs per day over 1 month when it was about 2 months old.
It was a manual check, ie no machine timer, so it is fairly crude
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Wolfman53
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Re: C65 Super Compressor Timing Accuracy

Post by Macdaz »

That's within tolerance for the movement. It's right on the edge of the range, but still within.
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Re: C65 Super Compressor Timing Accuracy

Post by David. S »

You could be lucky and get one that runs very accurately, but you could be unlucky and get one that runs near the bad end of the +-20 seconds a day tolerance for the movement, you then have to decide to live with it or send it back to CW for regulation. You could try and get a local watchmaker to regulate it, but because of the case design they may not be willing to tackle it.
I personally really like the super compressor and I really appreciate the engineering that went into it, I'm just disappointed CW decided not to use a cosc certified movement.
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Re: C65 Super Compressor Timing Accuracy

Post by Quality Man »

Mine was initially running around +4 sec per day, I then managed to magnetise it but after demagnetising it has settled around +10 seconds per day, I’m happy with that.
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