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Old 18 January 2019, 11:35 PM   #1
mangoseed
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Does the 3186 movement use ceramic ball-bearings?

In the bezel and winding mechanism.
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Old 18 January 2019, 11:48 PM   #2
BT1985
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The new movement utilizes a ball bearing that is mounted to the movement as the oscillating weight. This is a change from a plain bearing. Not sure if it’s ceramic or steel.


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Old 18 January 2019, 11:51 PM   #3
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Quote:
Originally Posted by mangoseed View Post
In the bezel and winding mechanism.
Watches like the ceramic insert bezel GMT 116710 the bezel sits on 3 ball-bearings and a spring loaded click stop.And there is nothing ceramic in the manual winding mechanism on any Rolex watch.And the 3186 movement is a modified 3185 that has slightly improved second timezone setting but no big deal there.They have introduced a steel ball bearing rotor in the auto-wind mechanism in the 32 series movement instead of the sleeve bearing rotor on the 6 digit 31 series models.The last of the 16710 GMT could have a 3186 movement in the case but that will still use the older axle sleeve rotor auto winding.
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Old 19 January 2019, 01:18 AM   #4
mangoseed
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Quote:
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Watches like the ceramic insert bezel GMT 116710 the bezel sits on 3 ball-bearings and a spring loaded click stop.And there is nothing ceramic in the manual winding mechanism on any Rolex watch.And the 3186 movement is a modified 3185 that has slightly improved second timezone setting but no big deal there.They have introduced a steel ball bearing rotor in the auto-wind mechanism in the 32 series movement instead of the sleeve bearing rotor on the 6 digit 31 series models.The last of the 16710 GMT could have a 3186 movement in the case but that will still use the older axle sleeve rotor auto winding.
Ahh I should have specified, by winding mechanism I was referring to the oscillating weight as it rotates.
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Old 19 January 2019, 01:21 AM   #5
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I believe only the 32xx movements have the ball-bearing mounted winding rotor, besides the Daytona's 4130 which introduced it. I am not sure about the Sky-Dweller's movement.
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Old 19 January 2019, 06:13 AM   #6
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No, it does not.
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Old 19 January 2019, 08:34 AM   #7
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It’s all ball bearings nowadays.
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Old 19 January 2019, 08:48 AM   #8
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It’s all ball bearings nowadays.
Damn it! You beat me to it.
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Old 19 January 2019, 10:50 AM   #9
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Quote:
Originally Posted by mangoseed View Post
Ahh I should have specified, by winding mechanism I was referring to the oscillating weight as it rotates.
As Bas mentioned, they are not ceramic ball-bearings.
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Old 19 January 2019, 11:08 AM   #10
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Quote:
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It’s all ball bearings nowadays.
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Damn it! You beat me to it.
It was my first thought!
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