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#1 |
"TRF" Member
Join Date: Aug 2006
Real Name: Vernon
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The rotor ever so silent
One thing that amazes me about the Rolex movement specifically the 3135 is that the rotor on it is so silent. I don't even hear any whirling when I spin it around compared to other watches that has ETA based movements - specifically the rotor wobble found on my Breitling
![]() I'm always amazed by Rolex engineering. ![]() ![]()
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#2 |
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Yes, I have a Hamilton Pilots chrono w/ a Valjoux 7750 movement. It really wobbles.
![]() But even my watchmaker marvels at the precision of the Rolex rotor. He's seen it all and thinks Rolex really does it right. ![]() dP
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#3 |
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Join Date: Apr 2007
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Last edited by Nick Hacko; 28 August 2007 at 10:39 PM.. |
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#4 |
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Join Date: May 2007
Location: NY
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i have had my explorer 2 for 7 years, and it has been back to rolex 4 times, twice due to the rotor. i do wear it 24/7. most recent time was reported back to dealer that it was owner induced trama. i didnt know what to say. if running 3 times/week on a treadmill is abuse, ill start wearing a timex. they goodwilled it, and its running great.
1st time under the original warranty, winding sounded awful, dealer agreed, service watch thru rolex nyc 2nd time was 5 year service and rotor issue, got in before price increase, thru rolex nyc 3rd time was within 1 year warranty, gaining more that 40 seconds per day, service watch thru rolex nyc 4th time, rotor issue again, dealer agreed it shouldnt be happening, rolex goodwilled repair and service thru rolex nyc |
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#5 | |
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Join Date: May 2007
Real Name: Ivan
Location: singapore
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Quote:
Nick, what in your opinion is a well engineered movement? Is ETA movement 2824 better engineered than the 3135? What would be the criteria of a well engineered movement? |
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#6 |
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I'd be very interested to find this out as well, Nick. Are Patek's movement better engineered?
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#7 |
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I do not know if the movement is better engineered, but I was told the 315 SC movement in my Patek's rotor is unidirectional. I have been able to flip the watch around and it looks like the rotor does spin both in both directions. So it may not be the right information,It is very smooth and does not feel anything like the rotors in my watches with ETA. With the ETA's I can feel the rotor spin if I am holding the watch and turning it. Also I cant hear the watch tick at all. This thing is silent to the naked ear.
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#8 |
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Same thing with Rolex, very silent.
As for Val 7750, why does it wobble if its unidirectional? What's the physics behind it?
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#9 |
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Join Date: Dec 2006
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rotors will always rotate around its pivot in CW and CCW.....
but for unidirectional winding movements, it will only wind in a direction e.g. CW for the 7750......the 7750, on its free-spinning state (i.e. CCW), wobbles....
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#10 | |
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Quote:
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ICom Pro3 All posts are my own opinion and my opinion only. "The clock of life is wound but once, and no man has the power to tell just when the hands will stop. Now is the only time you actually own the time, Place no faith in time, for the clock may soon be still for ever." Good Judgement comes from experience,experience comes from Bad Judgement,.Buy quality, cry once; buy cheap, cry again and again. www.mc0yad.club Second in command CEO and left handed watch winder ![]() |
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#11 |
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What exactly do you mean by that... manual or automatic winding?
Ditto on that...
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#12 |
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[QUOTE=Nick Hacko;242646]3135 auto rotor unit is bi-directional and rotor weight should not wobble.
But it is far away from being 'well engineered'. It is actually quite opposite - pathetically under-engineered. QUOTE] Nick does knows what he is talking about. I remembered in a post in Timezone when a watchmaker serviced a worn out noisy rotor in a Submariner, he said something about 3135 movement belongs in that of cheaper watches. I like Rolex but have to say that somehow many of us got catch by the Rolex marketing hype of Rolex being a great watch while they make mostly average but good looking watches with an incredible brand name...I love to have sport watch from Patek but I would take a Submariner over the Aquanaut just for the look anyday now. That's my 2 cents worth of opinion yours may vary. |
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#13 |
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Join Date: Dec 2006
Location: Singapore
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the 7750 rotor does not wobble on a CW direction....it only wobbles when turning CCW......it's free spinning in CCW cos there's no resistance....no gears to turn.....
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#14 | |
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Join Date: Feb 2007
Real Name: Ruben
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Quote:
Yes I agree that the 3135 is not the most innovative movement...that goes without saying, and I'm not singing the praises of its virtues or even defending it against other superior movements, but "pathetically under-engineered?" ![]() Nothing that runs for twenty years only with regular maintenance is either "pathetic" OR "under-engineered." ![]() ![]() |
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