This is a late 1960s / early 1970s watch from Tissot. It´s quite worn with lots of scratches on the crystal, and the hour marker ring came off, too.
![](https://blog.noq2.net/content/images/tissot-prs-0001.jpg)
The removal of the old Rallye watch strap reveals some dirty details ;-)
![](https://blog.noq2.net/content/images/tissot-prs-0002.jpg)
Greasy artifacts...
![](https://blog.noq2.net/content/images/tissot-prs-0004.jpg)
Thanks to the still quite intact sealing of the case, the movement looks a lot better...
![](https://blog.noq2.net/content/images/tissot-prs-0005.jpg)
The timegrapher indicates that a watch service is necessary:
![](https://blog.noq2.net/content/images/tissot-prs-0006.jpg)
Under the rotor, yet another implementation of a bidirectional automatic winding mechanism - and not a stupid one.
![](https://blog.noq2.net/content/images/tissot-prs-0007.jpg)
The three screws that hold the automatic module in place (one of them is slightly longer -> it fixes the crown wheel):
![](https://blog.noq2.net/content/images/tissot-prs-0008.jpg)
Without the autowinder, the movement looks and works like a conventional handwound timepiece.
![](https://blog.noq2.net/content/images/tissot-prs-0009.jpg)
Detailed shot of the automatic module:
![](https://blog.noq2.net/content/images/tissot-prs-0010.jpg)
As noted above, the crown wheel is held in place by two screws, this is the shorter one.
![](https://blog.noq2.net/content/images/tissot-prs-0011.jpg)
Under the ratchet wheel one of the many springs inside this movement (this is the click spring btw).
![](https://blog.noq2.net/content/images/tissot-prs-0012.jpg)
Time to get the movement out...
![](https://blog.noq2.net/content/images/tissot-prs-0013.jpg)
The glue residues under the "free flying" hour marker ring.
![](https://blog.noq2.net/content/images/tissot-prs-0014.jpg)
Main bridge removed...
![](https://blog.noq2.net/content/images/tissot-prs-0015.jpg)
...somewhat later I have removed most of the parts:
![](https://blog.noq2.net/content/images/tissot-prs-0016.jpg)
Barrel and its bridge removed.
![](https://blog.noq2.net/content/images/tissot-prs-0017.jpg)
Under the dial, the day-date discs.
![](https://blog.noq2.net/content/images/tissot-prs-0018.jpg)
And with the day disc removed, we see a complex setting mechanism (there are some delicately serviceable springs here btw, this can be annoying).
![](https://blog.noq2.net/content/images/tissot-prs-0019.jpg)
There is significant tension on the spring under the blue-encircled area here, beware ;-)
![](https://blog.noq2.net/content/images/tissot-prs-0020.jpg)
And yet another spring (on the right, it is somewhat hard to re-set it during reassembly):
![](https://blog.noq2.net/content/images/tissot-prs-0021.jpg)
On the right - encircled in orange - we see the noted powerful spring.
![](https://blog.noq2.net/content/images/tissot-prs-0022.jpg)
The keyless works exposed:
![](https://blog.noq2.net/content/images/tissot-prs-0023.jpg)
Here the already mentioned spring came out:
![](https://blog.noq2.net/content/images/tissot-prs-0024.jpg)
A disturbing detail of this movement is the part I highlighted below:
![](https://blog.noq2.net/content/images/tissot-prs-0025.jpg)
It can block the setting lever under certain circumstances which then prevents re-insertion of the winding stem...quite a no-go actually. In the end I decided to omit this part entirely and I assume that it is not really vital for the function of this movement.
Well then, below, all the parts before cleaning:
![](https://blog.noq2.net/content/images/tissot-prs-0026.jpg)
The force is still strong in this watch...(at least the long mainspring is still nicely "S"-shaped).
![](https://blog.noq2.net/content/images/tissot-prs-0027.jpg)
The diassembled case before cleaning and polishing.
![](https://blog.noq2.net/content/images/tissot-prs-0028.jpg)
And...wooshh...the polished case and crystal (took me quite some time...):
![](https://blog.noq2.net/content/images/tissot-prs-0029.jpg)
I also glued the hour marker back in place and I renewed the luminous paint on the markers and hands.
![](https://blog.noq2.net/content/images/tissot-prs-0030.jpg)
I also replaced the old watch strap spring bars with new ones (judge for yourselves which one was the new one...).
![](https://blog.noq2.net/content/images/tissot-prs-0031.jpg)
And some time later the cleaned and lubricated movement on the timegrapher:
![](https://blog.noq2.net/content/images/tissot-prs-0033.jpg)
The movement before finally sealing the case with a new gasket...
![](https://blog.noq2.net/content/images/tissot-prs-0034.jpg)
The finished watch on a new Rallye watch strap:
![](https://blog.noq2.net/content/images/tissot-prs-0037.jpg)
And a shot in darkness to highlight the newly gained powerful luminosity:
![](https://blog.noq2.net/content/images/tissot-prs-0036.jpg)
greetings noq2
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