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| Stuttering Chrono... your opinions wanted | Rate Topic |
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| Posted: Thu Nov 8th, 2007 01:11 pm |
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1st Post |
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MarkJnK 3T WIS 
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Hi everyone, Just curious what you guys think of the phenominon when a auto chrono sweep hand does not sweep smoothy around the dial, but rather has a slightly erratic or jittery motion? It seems this phenonminon is not limited to low end watchs and can afflict everything from Hamiltons to Mille Miglas. Mine are very subtle, and you have to really watch to see it. Others that I read about are more severe, and can pause for a second or two and then resume. It doesn't affect timekeeping or accuracy. For me personally, I have owned about 15 V7750's and one 2894-2 with the chrono module. Of those, I have had 2 7750's with the jitters, and the 2894-2 also has it. The 2894-2 was sent in for another issue and I pointed out the problem with the jitters. It came back the same way and I was told this is "normal". In my reading, I have read the following, and am not sure what or who to believe, and would love to hear some of your opinions...
Thanks, Mark
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| Posted: Thu Nov 8th, 2007 10:47 pm |
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2nd Post |
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zippofan 3T WIS 
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When I first got my O&W chronos they both did it, now they have smoothed out. The 7750 runs nice and smooth now just from frequently using the chrono, the 7765 I had overhauled because it was NOS and running +30 per day. Both were subtle, not pronounced stutters. My Hamilton 7750 was smooth from the start. I have a Poljot 3133 that has a bad case of the stutters. I have had it to two watch repair places without luck. There is a new movement on its way to me from Europe as we speak. Cheers, Griff
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| Posted: Fri Nov 9th, 2007 07:45 am |
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3rd Post |
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Paxman 3T WIS 
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In my limited experience with 7750 (I've only had two and kept just one) I never experienced the stutter. Maybe a shudder when activating the chrono function...
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| Posted: Fri Nov 9th, 2007 09:32 am |
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4th Post |
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Foster 3T WIS 
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My Zodiac Calame stutters a bit (2824 with Dubois Depraz Module). The behavior comes and goes and I assume it's related to how the gears mesh each time the button is pushed. It doesn't bother me, but considering how the stuttering second hand thing killed the Oceanaire I guess it's a big deal for a lot of folks.
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| Posted: Fri Nov 9th, 2007 09:47 am |
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5th Post |
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MarkJnK 3T WIS
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I'm trying not to let it bug me, but it just figures that the two stuttering chronos that I own right now, are my most expensive watches. My cheaper 7750's have been perfectly smooth, and I even have an asian 7750 that is perfectly smooth and accurate. The 2894-2 has not smoothed out regardless of how much I let it run. In contrast, it does seem like the 7750 I just got is getting better with use... or maybe it is my optomistic imagination :? Thanks for the feedback, looking forward to hearing other experiences??
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| Posted: Thu Nov 15th, 2007 11:26 am |
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6th Post |
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oagaspar Site Founder 
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Mark there are 4 different grades of chronograph movements...the modular is more prone to stuttering and is more commanly known as the most cost effective....this link provides some great info that will help everyone understand the chrono better imhohand6.gif http://culture.hautehorlogerie.org/IMG/pdf/why_men_love_chrono.pdf
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