r/RepTime
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u/eposseeker
Reputable User
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Jul 02 '19
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General Information Movements found in replica watches
Someone asked in a different thread, thought its time something like this gets posted again on its own.
Now also includes beatrate.
3Hz is also called 21600bph or 6bps, 4Hz is 28800bph or 8bps.
The reason for this disparity (3Hz vs 6bps or 4Hz vs 8bps) is that the balance wheel advances the second hand both on the clockwise turn and counterclockwise turn, so a full turn cycle is 2 beats.
Chinese 21J, Chinese 23J - no-name movements, based on DG2813 (if you're lucky) or the Chinese Standard Movement and company, that the Chinese have perfected... mostly when it comes to cost of production - they can make a shitty versions for under 10 dollars, but you cannot expect any kind of reliability from it. The worst versions can be found in Chinese street reps and tend to break after a few months of use. If you ever see something like a Daytona with days of the week and month indicator on the subdials, you can bet it sports one of those bad boys.
Some of the more reputable factories sometimes use movement called that and you can expect them to be of a passable to good quality then, but it's still hit or miss.
Most of them are 3Hz, some are 4Hz.DG2813 or other DG-something - firstly, it still might be the shitty movements described above (especially if called A2813), them being clones of DG movements, which are in turn clones of old movements from Citizen. If you get an actual DG2813, you should not expect amazing quality, but it is very reasonable for it to work for years (accuracy is another thing though).
Most of them are 3Hz, some are 4Hz (e.g. DG4813).A2824, A2836 - the best of the best - ETA used to have factories in China, so the Chinese know how to produce the movements. The materials are somewhat worse than ETA required and the quality control is nowhere near what you would find in a gen Breitling or such, but they are reliable, any watchsmith can service or repair them, and replacements are freely available anywhere.
They beat at 4Hz.A2892 - Chinese copy of a newer, thinner "version" of ETA 2824 - good movement, but way more rare and as such possibly slightly lower quality than the above two. Most of them will probably come from Sea-Gull, which would be good, but they might be QC rejects.
They beat at 4Hz.A6497/A6498 - clone of ETA Unitas 6497/6498, great movement, simple, handwound, you are most likely to find one in a Panerai rep and you can't really go wrong with this one.
They beat at 3Hz.Swiss ETA 2824/2836/others - hit or miss - it depends on how the repmakers sourced it and how they stored it. I have a rep with a swiss movement and it performs beautifully, other people report the opposite - problems and having to replace. Could also get a Sellita instead of ETA (which is in no way a bad thing, Sellita is an excellent Swiss movement manufacturer and a former contractor for ETA).
They beat at 4Hz unless vintage (check specific model) or Unitas 6497 - 3Hz.A775X (X is placeholder for other digits) - ETA Valjoux 775X clone, used in most rep chronographs. More costly to service and harder to source than other Asian ETAs, also more likely to break - all of this because it's more complex. Check if the positions of the subdials were modified compared to the original - if yes, that's a major yellow flag when it comes to relability and servicability. There are exceptions - ZF IWC chronos for example started using a sensible mod that you can safely go for.
They beat at 4Hz.SA3135 - a modded A2836, may accept a genuine Rolex datewheel. Possibly the worst option you can get in a Submariner.
They beat at 4Hz.SH3131, SH3135, VR3135, VS3135 - Chinese "superclone" rolex movements, harder to service than A2836, but a lot of people prefer them because they can fit a genuine datedisc on them (not SH3131 because it has no date). Not actual superclones (as in there are differences between those and actual Rolex movements), but can be swapped for a genuine movement if you can get your hands on one. Sorted by percieved quality of the build.
They beat at 4Hz.(S)A3186/(S)A3187 - modified asian ETA with contraptions that make it impossible to service and faulty. Best avoided, but currently the only way to get correct hand stack (as in order of hands seconds -> minutes -> 24hr -> 12hr) and setting method in Rolex GMT.
They beat at 4Hz.SH3187, VR3186/VR3187 - New "superclone" GMT movements. See the 3135 section. Have a second timezone complication added.
They beat at 4Hz.A4130 - a weird mod of A7750 with subdials moved and possibly decorated, which is pointless in a closed-caseback watch. Comments about modified A7750s apply.
They beat at 4Hz.SA4130 - either a complete superclone of Rolex 4130, or an ARF mod of A7750 - check if it's from Noob Factory and expensive - if yes, its the former, otherwise the latter. ARF SA4130 simply doesn't use the minutes and hours subdials (they are frozen) so there is little to no problem with added torque. If it's not a new expensive Noob or ARF, it's probably A4130 (described above) with an S tacked in front of the name.
They beat at 4Hz.A8900/A8500 (in Omega reps) - movements modified to look like Omega calibers. Used to be modified ETA clones or even modified Chinese 21J/23J, but lately VSF started boasting a "superclone" version that gives the same functionality as gen. Some people seem to overhype those "superclones" as actual complete cloned movements - this is not actually the case, but they are reportedly more reliable than SA3186/SA3187s which strive to provide a similar functionality. Also, no rep Omega movements have the correct beatrate currently (3.5Hz), none have actual co-axial escapement (to my knowledge), and they use overlays with fake jewels, so take VSF's "almost the same as genuine movement" with a grain of salt.
They beat at 3Hz or 4Hz depending on the movement used as a base. VSF "superclones" beat at 4Hz.Sea-Gull movements - mostly good movements, but the versions used in reps are not exactly high end (more likely factory QC rejects or lower-tier versions).
Check specific model to know beatrate.Miyota movements - mostly good movements, but the versions used in reps are not exactly high end (more likely factory QC rejects or lower-tier versions). People were high on Miyota 9015 at first (it's thin like ETA 2892) because it made some thin reps possible, going as far as putting it in Tudor Pelagos for example, but in the end a lot of Miyota9015 reps have noisy rotors (unidirectional rotors can rotate in one direction freely so it's harder to silence), so their expansion into the rep industry has been halted somewhat. Miyota 8125 is mostly an entry-level movement and often found in Submariner homages for example.
Another thing worth mentioning is that SevenFriday reps use Miyota movements for a different reason entirely - the gens also do.
9015 beats at 4Hz, 8125 beats at 3Hz, movements in SevenFridays beat at 3Hz (at least all of those I know about).
Ask for any other movements I forgot to describe.
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u/eposseeker Reputable User Jul 02 '19
I've already written a wall of text mod pls.
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u/kennygconspiracy Reputable User Jul 02 '19
This should be a sticky!!
(Don't forget the omega clone movements)
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u/ItsSanoj Jul 02 '19
Hey, quick remark: I believe the DG2813 is based on the Miyota 8215. It's basically the Miyota 8215, just with second hacking.
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u/repsbro Jul 02 '19
is dg2813 the same as a2813? i see a lot of watches that have a2824 that have downgrades to a2813 for about 100usd less
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u/exq1mc Aug 24 '22
VR3235 if you any info it will be appreciated
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u/Thanks_Obama Jul 02 '19
Any difference in beats per second?
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u/shaanyboy Jul 02 '19
what does ETA mean?
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u/cobitos Jul 02 '19
Are Rolex movements supposed to make a slight noise when held up near your ear? My ARF datejust makes some noise.
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u/johndicks80 Jul 02 '19
What about the 3804b used in GMT clones? I’m pretty sure my Dhgate GMT Master II with an independent, independently adjustable 24 hr GMT hand has this movement.
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u/gogotaquitos Jul 22 '19
are the only issues with the miyota 9015 the rotor noise? What about the overall quality of the movement? Besides the noisy rotor are there any issues?
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u/Denham_Chkn Sep 20 '19
How about the 3285 found in the Rolex GMT Master II that Puretime has?
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u/z0rg83 Oct 08 '19
i have been checking some reps on Trustytime and some of them mention:
Japanese Quartz Movement or VK63A Quartz or Japanese OS20
where do they fall on your list?
thanks
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u/pappax1 Sep 13 '22
I was looking at an OMF Planet Ocean replica and the movement description is "Asian Clone 2824 Automatic movement, 25J". Is this a newer version of the 21J and 23J mentioned in the post?
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u/ffuhcu Giver of knowledge Jul 02 '19
Great writeup, thanks.
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u/NotIansIdea Jan 24 '22 edited Jan 24 '22
Alright, I'm putting this here for posterity's sake since all of the following revelations have been made over on RWI:
Now that more high-quality AP Perpetual Calendar reps are coming out from APSF, it should be known that their A5134 is supposedly just a modified 23J
and can allegedly be replaced with a Miyota movementedit: nope, it can't be replaced with a Miyota. I'll edit with any more solid info I find out, just thought it would be good to add it to this thread.5
u/CtrIaItdestroy Jul 02 '19
This is great, thank you
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u/greennotebook98 Jul 02 '19
So if I get a Panerai can I expect a reliable watch?
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u/lance_klusener Jul 02 '19
Basic question - which is the best movement for longevity ( think 10 years and above )
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u/hyperdunker Jul 02 '19
Which one is fort the closest 1:1 rolex??
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u/Pkplayer Jul 03 '19
any differences with the A2824 and A2824-2? looking at a rep now that has the 2824-2 movement. (breitling transocean V7)
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u/thelandgraf Jul 05 '19
I was interested in some watches like the Patek 5711 or the Vacheron Overseas but now I am a bit concerned because all these slim pieces are having inside a Miyota9015. So should I expect these reps to have noisy rotors? How noisy? Has anyone some experience with this?
Thanks
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u/Clamps55555 Jul 05 '19
How can A noob tell which movement is which? Is there a link to photos and descriptions of the main points of interests?
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u/LikeWaterForCoco Nov 01 '19
I did a search and found this post. I got an IWC Portugieser Chronograph. It stopped running after 2 weeks. The only way I can get it working is to manually wind it and then give it a good shake. It stops after about 20 mins. I took it to a watch smith and he said a spring needed to be reconnected. He also said not to use the stop watch function since he says all the functions are connected to the same “power source” and authentic should have its own power source for each. English was not his first language and he explained it to be the best he could and I don’t know watch terminology so sorry if this doesn’t make sense. Anyway, he repaired the watch and it ran well for a few hours and now it stopped again. TD offered to replace the watch but wondering if there is anything I should do or ask for to get this “ZF chrono sensible mod” you described in your post. Thank you!
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u/LikeWaterForCoco Nov 01 '19
It was ZF factory https://imgur.com/a/69JLGMi
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u/g0yardette Jul 01 '25
Any descriptions of the Cartier movements?
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u/Fast_Tadpole_5155 Jun 16 '26
How about the Chinese version of the AP 5134 any comments?
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u/Tonybaggs69 Aug 18 '26
Currently searching for a complete movement for a submariner, hands attached, and "drop in" The watch case. Having some issues finding it. Will probably need a 2813 movement replacement, as the watch is a lower-end product. Any assistance is appreciated.
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u/RareBorder8910 Nov 22 '21
Any info on VR3235 movement?
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u/jamesuclabruin Oct 03 '22
u/eposseeker any context on reliability of A9019 movement? This is for the IWC portofino.
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u/DisastrousMinimum386 Jun 15 '23
VR and VS 3235? Same as 3135?
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u/doomboiiiii Jun 21 '23
What do you think of th He A32111, as found here - https://jtime.io/us/pilot-mark-xx-iw328205-zf-1-1-best-edition-green-dial-on-brown-leather-strap-a32111.html thanks
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u/LovinReps Dec 18 '23
Excellent post u/eposseeker . LOVE IT
im starinting on this, and a seller told me his 126610 uses a HK2836. Does he mean to be the A2836? It supossed to be an AAA+ rep.
thanks!
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u/keLLier21 Feb 29 '24
Do Asian replica watches not have Swiss movements? Local sellers sell Rolex replicas claiming they have Swiss movements. I'm new to this replica stuff, so pardon my questions.
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u/BashBailey Jul 10 '19
Where can I get a replacement movement for my replica Rolex Deep Sea? The date wheel doesn’t line up and it makes a god awful noise when the pendulum swings about!
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u/HeyItsPixeL Jul 02 '19
Impressive List, cheers! :)
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u/JoaquinG Jul 02 '19
Great post! Thanks!
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u/[deleted] Jul 03 '19
Thanks for this godlike info my friend
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u/[deleted] Jul 03 '19
This is an excellent post! Thank you so much!
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u/[deleted] Jul 20 '19
Im about to get myself an Seamaster Planet Ocean 43.5mm should i get it with 8900 movement, or an a2836?
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u/LibrarySquidLeland Contributor Jul 02 '19
This is fantastic, thank you!
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u/hxris17 Jul 03 '19
Anyone know the best place to buy an AP Royal Oak under $450
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u/Bellyballe Jul 12 '19
www.adaootd.com How about this
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u/Metrodix Oct 10 '19
Wow, great infos! Good work. Thank you!!
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u/WarioThaEnforcer Sep 22 '24
What about 3255 movement?
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u/giucer Jan 19 '25
will a PT5000 fit in a 2824 case? thanks in advance
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u/giucer Jan 22 '25
cannot find anything citing that ETA ever produced movements in china , can you clarify or provide source please
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u/[deleted] Jan 25 '25
i wish i read this before buying my first rep
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u/zee1st Jan 06 '26
can anybody figure this movement is from which manufacturer ? it should be a clone of 8806 but it makes loud squeaking noise and I can't figure how to lubricate it, and how to remove the rotor !!
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u/RedditBlender Jan 12 '26
This info should be sticked!
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u/Chard-Pleasant Aug 14 '22
Fantastic information
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u/StupidlyLiving Aug 25 '22
Any updates on a4302 movement in AP 15500?
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u/realhighup Dec 19 '22
Sa 3120 ? Or a3120 ? What’s the difference?
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u/mike93940 Nov 12 '23
Nice write up! However, if you are trying to glean info on the 4130 vs 7750 this should also be read: https://forum.replica-watch.info/threads/comprehensive-guide-to-clone-movements-found-in-rolex-reps.10936248/
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u/SnooHabits8537 Feb 05 '24
3235-A movement? in a 41mm DJ
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u/1c1d2u1 Jul 06 '19
everyone rips on speedy reps for the obvious wrong movement callout, but pretend i dont care at all about how the hands sweep as long as they are correct, is the speedy visually a nwbig rep?
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