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Old 1 October 2019, 02:17 PM   #1
mjrukawa
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1601 DJ with 1560 Cal. ??

hi guys,
I have finally purchased my first vintage rolex few days ago,
and I was very happy to get one on my wrist since i wanted this 1601 DJ for quite a long time

I tried to research and study as much as possible
and i found few things are not clear to me as I noticed that my 1601 DJ is paired with caliber 1560 instead of 1570 or 1570/5.

I found some examples of 1601 DJs with movement of 1560 from the internet

but some sources indicates that 1601 should not be paired with calibre 1560.
but the some other sources prove that Rolex began to introduce caliber 1560 on a 160X series and endure until around 1979.

i have attached some pictures of my 1601

to sum up, my questions are

1. does caliber 1560 pair with 1601?
2. does my caliber 1560 seem real from the picture?
3. If question 1 is correct, then opinions about my watch being mixed up from different years and parts? (5mil SN and 1560 cal. movement does it match??)

Rolex experts, please help me out on this
Thanks
Attached Images
File Type: jpeg Resized_20190926_141645.jpeg (289.4 KB, 226 views)
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File Type: jpg IMG_6572.JPG (201.3 KB, 227 views)
File Type: jpg IMG_6573.JPG (215.8 KB, 227 views)
File Type: jpg IMG_6570.JPG (148.4 KB, 230 views)
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Old 1 October 2019, 02:42 PM   #2
mjrukawa
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sorry I couldn't list the links which i found on serial number guidelines and examples of cal. 1560 on 1601 DJs.
rolexforum says that i need at least 10 posts to add links on my post, but I just joined this forum and this is my first post.

but its easy to find if you just google it.

anyways please help me out on this problems .

thanks
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Old 1 October 2019, 04:31 PM   #3
Dan S
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Well, I think that would be pretty late for a cal 1560/1565, but without a closer look (or checking the beat rate), I wouldn't necessarily conclude that it is an actual 1560 vs. a 1575 (this watch has a date function after all) with a 1560 plate installed.
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Old 1 October 2019, 05:16 PM   #4
mjrukawa
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Quote:
Originally Posted by Dan S View Post
Well, I think that would be pretty late for a cal 1560/1565, but without a closer look (or checking the beat rate), I wouldn't necessarily conclude that it is an actual 1560 vs. a 1575 (this watch has a date function after all) with a 1560 plate installed.
Thank you very much for the insight .
I was confused about your comment at first,
but I'd guess that if my movement is 1575 with a 1560 plate installed then that means that I would have a hacking features which would allow a second hands to stay still while adjusting times?

I just tried this and I notice that mine has a hacking features.

then does that mean mine has 1560 plate installed afterwards?
so that its mixed up with different parts?

or did that happen occasionally from the Rolex on its own?
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Old 1 October 2019, 07:29 PM   #5
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None of this really matters. Movements can be obtained. What can’t be obtained is the mint unpolished case and bezel, as per your example. Congrats! Wow, what a nice watch.

Quote:
Originally Posted by mjrukawa View Post
Thank you very much for the insight .
I was confused about your comment at first,
but I'd guess that if my movement is 1575 with a 1560 plate installed then that means that I would have a hacking features which would allow a second hands to stay still while adjusting times?

I just tried this and I notice that mine has a hacking features.

then does that mean mine has 1560 plate installed afterwards?
so that its mixed up with different parts?

or did that happen occasionally from the Rolex on its own?
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Old 1 October 2019, 07:32 PM   #6
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Hmm... upon close inspection of your lugholes, your case looks recut and definitely polished. The thickness of the lug tip barely encapsulates the diameter of the hole.

Quote:
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None of this really matters. Movements can be obtained. What can’t be obtained is the mint unpolished case and bezel, as per your example. Congrats! Wow, what a nice watch.
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Old 1 October 2019, 11:22 PM   #7
Dan S
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Originally Posted by mjrukawa View Post
I just tried this and I notice that mine has a hacking features.

then does that mean mine has 1560 plate installed afterwards?
so that its mixed up with different parts?

or did that happen occasionally from the Rolex on its own?
The beat rate also changed between the 1560 and 1570 series. When the plate was installed is difficult to know. Different people seem to have different theories.
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Old 2 October 2019, 06:48 AM   #8
southtexas
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1601 DJ with 1560 Cal. ??

I believe 1575 (date) movements were made hacking and non-hacking, depending when manufactured.

I also believe 1601 from mid 1960s were made with 1565 movements until such time that the first 1575 movements were released, which would be non-hacking, in mid to late 1960s.




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Old 2 October 2019, 09:52 AM   #9
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It could very well be a 1570 movement with the 1570 plate changed out to a 1560 plate or 1560 auto winder. Since the beats are different for each model, you can have the watch checked on a timer and see what you have.
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Old 2 October 2019, 11:22 AM   #10
southtexas
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1601 DJ with 1560 Cal. ??

Here’s the answer from Rolex itself.

If it’s hacking, it’s a 1575 that someone put a 1560 plate onto. As mentioned, confirm by testing beats.

It came with 1565 and 1575, depending on year.





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Old 3 October 2019, 12:14 AM   #11
mjrukawa
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southtexas

thank you for the charts you offered
unfortunately I couldn't read because of the focus problem
but I clearly see your point
thanks for the help!!
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Old 3 October 2019, 12:39 AM   #12
mjrukawa
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thank you all for the kind replies,
it's been a great help to understand my watch better.

Still, the silver sigma dial looks stunning to me, fluted bezel seems sharp, and lugs and bracelet
condition seems fair enough for me as well.
basically I really like all the other aspects of my watch.
but I am not too confident on my caliber after reading all the inputs which I received in this post.

So now it seems like time for me to make a right decision.

do you guys think its a big enough problem for me to return it?
or would you rather recommend me to keep it in my collection?

please give me a honest advice!
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Old 3 October 2019, 12:44 AM   #13
southtexas
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Quote:
Originally Posted by mjrukawa View Post
southtexas

thank you for the charts you offered
unfortunately I couldn't read because of the focus problem
but I clearly see your point
thanks for the help!!


Maybe this is better?
M


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Old 3 October 2019, 01:21 AM   #14
mjrukawa
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yes much better!
thanks again.
any other opinions on my last questions??
I would love to hear from you
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Old 3 October 2019, 12:29 PM   #15
southtexas
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Quote:
Originally Posted by mjrukawa View Post
yes much better!

thanks again.

any other opinions on my last questions??

I would love to hear from you

If it’s hacking, I don’t think it can be a 1565. Most likely the plate was replaced at some point. Personally it wouldn’t bother me in the slightest if all other aspects of the watch check the boxes.


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Old 3 October 2019, 01:33 PM   #16
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Quote:
Originally Posted by mjrukawa View Post
thank you all for the kind replies,
it's been a great help to understand my watch better.

Still, the silver sigma dial looks stunning to me, fluted bezel seems sharp, and lugs and bracelet
condition seems fair enough for me as well.
basically I really like all the other aspects of my watch.
but I am not too confident on my caliber after reading all the inputs which I received in this post.

So now it seems like time for me to make a right decision.

do you guys think its a big enough problem for me to return it?
or would you rather recommend me to keep it in my collection?

please give me a honest advice!
Movement parts often get changed out at service, and some parts (like casebacks) had the wrong number on them when the watch was new. Rolex used to be a lot more, er, liberal than they are now. The plate wouldn't be a reason to get rid of it.
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Old 3 October 2019, 01:40 PM   #17
Dan S
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I think that your watch has a lot of positive attributes, and it's very appealing aesthetically, and I think that many people would prioritize that above a repair to the movement.

That said, it's a very personal choice, and none of us can tell you how to feel emotionally about the replaced bridge. If it bothers you, I am not going to judge you. Every collector has different priorities.
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Old 6 October 2019, 02:47 AM   #18
mjrukawa
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many opinions ive received from this thread definitely
helped me to make the right decision

thanks again to those who tried to help me out!!
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