ROLEXROLEXROLEXROLEXROLEXROLEXROLEXROLEXROLEXROLEXROLEXROLEX
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30 May 2019, 10:51 PM | #1 |
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Daytona Strip Down & Rebuild - Step By Step
The Daytona is arguably the hottest watch on the market right now, so I thought I would guide the forum through the overhaul procedure of one. This is the 4130 Rolex movement, not the modified Zenith.
We are going to go straight to the dismantling process on this one, and follow along with a step by step rebuild. The movement has been through the cleaning machine and is now separated in the parts tray. Here we see the mainplate. I have installed the column wheel and spring. I now install more of the chronograph components. The operating lever, which starts and stops the running of the chronograph, as well as the reset lever are installed and lubricated. Next, the gear train is installed. I put the escape wheel, 4th wheel, and 3rd wheel in place, but not the center wheel just yet. The 4th wheel of this model has actually been updated and given 'spring loaded' teeth on the top pinion to help with amplitude losses when the chronograph is running. Newer models come with that wheel installed. It is also upgraded at service when taken to RSC. There is nothing inherently wrong with the old wheel, it is just a more traditional chronograph style, whereas the new wheel does improve performance with the chronograph engaged. However, I have my own thoughts on that upgrade! The balance stop spring is then installed. This is the spring used that stops the watch when the time is set. It connects to the setting lever on one end, and when the crown is pulled out the spring engages the balance and the watch stops. I can now install the center wheel. Before the bridge is installed we need to make sure the crown wheel is placed underneath. There is also another small bridge that is affixed to the underside of this bridge, but I forgot to photograph that after it was in place. The barrel is put in place and both the barrel bridge, train wheel bridge, pallet fork, and balance are installed. The ratchet wheel is then screwed onto the barrel. All the winding and hand setting components are put in place so we can wind the watch and check the hand setting functions. The start/stop functions of the chronograph are where they should be, but now the actual wheels and pinions need to be put in place. The clutch wheel goes in, so do the lever that controls it as well as the spring. Does this look familiar? It is a very similar setup to the classic Seiko chronograph. The spring and screws are put in place. The hour and minute recording wheels, along with the intermediate pinions, are added. Then the chronograph seconds wheel is put in place and so is the reset hammer. The chronograph seconds wheel has also now been upgraded to have those "spring loaded' teeth discussed earlier. The reset hammer acts against the heart-shaped cams on the tops of the wheels which allows the hands to reset to zero when the pusher is pressed. The bridge to secure all the wheels in place is then installed. The automatic winding work is then assembled. The dial and hands are installed and the watch is cased up.
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30 May 2019, 10:57 PM | #2 |
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This is very good thank you. I’m looking forward to reading through this.
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30 May 2019, 11:17 PM | #3 |
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Thanks Ashton, I love posts like this.
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Rolex Datejust II WG/SS Blue 116334 "8368xxxx" Rolex Sea-Dweller SD43 126600 "94A6xxxx" Rolex Deepsea Sea-Dweller 116660 "V84xxxx" Rolex Deepsea D-Blue Horizon 116660 "3170xxxx" Rolex Explorer II Polar 16570 "T20xxxx" Rolex Explorer II Black 216570 "G53xxxx" Rolex GMT-Master II 16710 "P32xxxx" Rolex GMT-Master II Ceramic 116710LN "V97xxxx" Rolex Submariner 16610 "Z61xxxx" Rolex Submariner Ceramic 116610LN "G79xxxx" |
30 May 2019, 11:24 PM | #4 |
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Awesome, what's the total number of part's in the watch
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30 May 2019, 11:24 PM | #5 |
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Great post. Love to learn information on the movement.
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30 May 2019, 11:25 PM | #6 |
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Great post. Thanks for sharing.
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30 May 2019, 11:26 PM | #7 |
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Wow. Amazing! What a truly great post to read! Pictures, as they say, are indeed worth a thousand words!
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HULK BLNR YG Daytona 116515 Pepsi GMT 126710BLRO White DaytonaC 116500 Omega Seamaster 50th Anniv Bond OHMSS Omega Seamaster Bond titanium |
30 May 2019, 11:28 PM | #8 |
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Thank You! That was fun to follow!
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30 May 2019, 11:31 PM | #9 |
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Great stuff. Thanks for sharing.
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30 May 2019, 11:34 PM | #10 |
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Excellent! Thank you
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30 May 2019, 11:47 PM | #11 |
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Are those wheels made of gold? What are they worth? Just kidding. Great post, thank you! 4130 is a terrific movement. So compact. How would you compare it to the Zenith from a maintenance perspective?
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31 May 2019, 12:15 AM | #12 | |
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Quote:
Honestly, it is much easier to service than the Zenith. It's a very straightforward chronograph the 4130.
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30 May 2019, 11:51 PM | #13 |
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good job
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30 May 2019, 11:55 PM | #14 |
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Great job!
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31 May 2019, 12:28 AM | #15 |
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Amazing post, thanks for sharing! I'd love the opportunity to take apart a movement some day.
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31 May 2019, 12:31 AM | #16 |
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You should check out the Horological Society of New York classes. You have the opportunity to do just that. If you aren't in NY they do traveling education to various cities around the US and now the world.
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31 May 2019, 12:37 AM | #17 |
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I do live in NYC and have been meaning to look into a class. Thanks for the motivation!
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31 May 2019, 12:51 AM | #18 |
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They are honestly incredible classes and you won't regret taking one. I am a little biased, however, as I am one of the instructors for traveling education!
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31 May 2019, 01:04 AM | #19 |
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Have you taken this class before? It's worth attending? I'm close enough that I can attend the NYC one and am very interested.
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31 May 2019, 01:14 AM | #20 |
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I've never taken the class, but I do teach the class. Haha. It is honestly very good, all the participants absolutely love it. I have never taught in New York, but I am an instructor for HSNY traveling education in Canada.
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31 May 2019, 07:35 AM | #21 |
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I thought I sent you a PM regarding this but it isn't showing up in my sent box so it must not have gone through?
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31 May 2019, 12:19 PM | #22 |
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Are you going to be in Toronto any time soon?
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31 May 2019, 11:50 AM | #23 |
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Awesome post Ashton! Really great to see what goes on under the hood!
I've taken a bunch of these classes (I believe 101, 102, 103, 104) and I can attest they are awesome! Start with 101, you get to take a movement apart and then put it back together, it's such a great feeling seeing it come back to life! |
31 May 2019, 12:33 AM | #24 |
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Absolutely wonderful. Many thanks for taking the trouble to share this with us. I’m truly delighted to be able to observe and understand this procedure.
Sent from my iPad using Tapatalk
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31 May 2019, 12:39 AM | #25 |
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Great stuff!
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31 May 2019, 12:44 AM | #26 |
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Your posts are such enjoyable reads, thank you for providing such amazing content!
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31 May 2019, 12:44 AM | #27 |
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Great job and much appreciated.
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31 May 2019, 12:44 AM | #28 |
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fantastic pictures!
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31 May 2019, 12:51 AM | #29 |
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Love posts like these. Thanks for taking the time and please keep posting threads with the service/tear down pics (as the guys above have mentioned) the posts are very informative
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31 May 2019, 02:43 AM | #30 |
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Beautiful photos and descriptions. Thanks for sharing.
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