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Old 3 November 2024, 12:21 PM   #1
sgwatchobsession
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Rolex 1675 Movement (1570) Correctness

Hi all, happy Sunday! I was looking to buy a watch with this 1570 movement in it but felt that this part (circled in pink) of the movement seemed weird.

Comparing to some other photos online, the font seems too "unbold" (skinny) and weird looking versus other references (HQmilton, VRF, TRF, etc)

Is this normal and just something that was within Rolex margin of error?

Using Imgur due to photo size restrictions: https://imgur.com/a/zbEIcQH

Thank you in advance to all replies!
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Old 3 November 2024, 12:22 PM   #2
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Old 3 November 2024, 05:02 PM   #3
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As well as the 1570 looking odd, there are some other clues that the upper bridge might be aftermarket, for example, there are other letter shapes that aren't correct and the surface finish is suspect.

I don't know whether this is the only aftermarket part but I'm also a bit suspicious of the rotor and the reversing wheels and wonder if the entire reversing mechanism has been swapped.

It certainly warrants more work to check these and other parts against known genuine ones because some of them can be quite expensive to replace.
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Old 3 November 2024, 09:59 PM   #4
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It's fine - I bet the watch you are looking at is 1975-78? Rolex got a little more sloppy then?


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Old 3 November 2024, 11:57 PM   #5
sgwatchobsession
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Quote:
Originally Posted by linesiders View Post
It's fine - I bet the watch you are looking at is 1975-78? Rolex got a little more sloppy then?


Learn something new everyday. thanks again. The watch is from 1973, which I suppose isn't too far off
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Old 4 November 2024, 12:07 AM   #6
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For comparison, below you'll find the first three photos from different GMT 1675s circa 1977-78 and the last photo from a 1973 GMT 1675.
Attached Images
File Type: jpg Img_8137sm.jpg (174.0 KB, 160 views)
File Type: jpg movement.jpg (182.6 KB, 153 views)
File Type: jpg Img_9322.jpg (187.4 KB, 156 views)
File Type: jpg 1973.sm.jpg (160.5 KB, 154 views)
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Old 4 November 2024, 01:43 AM   #7
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I would suggest the OP pass on the watch he asked about.

It would appear the upper bridge was hand engraved at watchmaking preschool.


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Old 5 November 2024, 05:55 AM   #8
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Font and Nappe/Nap look correct.
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Old 5 November 2024, 09:37 AM   #9
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Thanks to all who've replied the thread! Appreciate the knowledge shared
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Old 5 November 2024, 10:14 AM   #10
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Quote:
Originally Posted by 77T View Post
I would suggest the OP pass on the watch he asked about.

It would appear the upper bridge was hand engraved at watchmaking preschool.


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Would you please address your comments regarding the upper bridge appears to have been engraved at watchmaking preschool. Maybe you could circle this on the op's photo and address what you are referring to.

If you could do this, it would help me since I've had a couple members ask me what you were referring to and I wasn't able to provide a proper response.
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Old 5 November 2024, 10:33 AM   #11
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John
I was referring to the caliber number.

This picture by the OP has the caliber circled.




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Old 5 November 2024, 02:47 PM   #12
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Thanks Paul. Below is a photo from one of my GMTs. It is very similar - near identical - to the OP's 1570 stamping. I believe his movement is genuine based on many others that I have compared it to from my library of GMTs.
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File Type: jpg movement.sm.jpg (156.6 KB, 89 views)
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Old 6 November 2024, 12:44 AM   #13
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Font is correct. There are genuine ones like that.
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Old 6 November 2024, 03:45 AM   #14
77T
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Quote:
Originally Posted by springer View Post
Thanks Paul. Below is a photo from one of my GMTs. It is very similar - near identical - to the OP's 1570 stamping. I believe his movement is genuine based on many others that I have compared it to from my library of GMTs.

Appreciate the validation - that "0" on the 1570 threw me off. I had never seen one like it.


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