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Tissot Ladies Watch - Movement Case Clamps

Jonno65
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Jonno65 Watch Enthusiast

Jonno65

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Posted (edited)

Hi All

I bought a Tissot Ladies Watch on eBay which I am looking to service, but I can't figure out the clamps.  They seem to be a cam type which appear to be clear of the case but the movement won't budge.  There is some signs of rust around the crown and stem entry. I wanted to make sure I have got them in the correct position before i go any further or force it.  You can see from the photos below.  Any advice would be appreciated.

Also - views on putting the whole movement in the ultrasonic cleaner to try and loosen some dirt?... given I am going to strip it anyway.

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Edited by Jonno65
nickelsilver Distinguished Member

nickelsilver

Posted
Posted

They should screw down toward the movement, then the movement must turn in the case so they line up with the cutouts around the lip they engage. Not visible in the photo, usually there are two cutouts, but you may just have one.

Klassiker Distinguished Member

Klassiker

Posted
Posted

You mentioned in your other thread that you still couldn't remove the movement from the case, so I came to look, only to find you've had advice from Nickelsilver. Did you attempt to follow it, and what happened?

Jonno65 Watch Enthusiast

Jonno65

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Posted

Hi Klassiker

 

I have actually removed it now, it was the seal between the movement and the crystals (around the dial) that was holding it in... with some gentle coaxing - it came out.  Now I have one of the dial screws which won't budge!  It's proving to be a troublesome watch!

 

  • Thanks 1
valleyguy WRT Addict

valleyguy

Posted
Posted
On 3/7/2023 at 6:52 AM, Klassiker said:

Penetrating oil, heat from a soldering iron, repeated applications, lots of patience.

This works, i had two case clamp screws that were rusty that i couldn't remove, they would not budge, 25W soldering iron on top of the screw for 30 seconds, un screwed as if it had never been stuck.

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