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Certina 0821 449 ladies gold watch 1970 (ish)


EtronX

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Well gentlemen, here I go again. EtronX does things he does't know how to do...
 
To make a long story short:
 
I have always liked wrist watches. Lately I have bought a few. And lately I've dug up some old ones. They have been laying in a drawer for years.
 
I have also always wanted to be able to take a watch apart, clean it, oil it and put it back together. So now I have bought some basic equipment and taken an old Omega ladies watch apart. It did not run before I took it apart. Thats in another post. Looking for a glass for that one. Then the plan is to put it back together. Hopefully running again.
 
So to the matter at hand. The old Certina after my mother. It runs, but the glass is pretty worn. I took out the dial and movement without problem. The case and bracelet is beeing cleaned as I write this. Again I have searched the interwebs for info on the watch, and again I came up a bit short. Well I found a good description of the caliber. The Certina 13-21. So far so good. The problem is the case and the glass.
 
Can anyone please guide me to a place where I can get a new glass for this watch?
 
Attached is some pictures of it before cleaning.
 
The dial
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The calibre
b9cd7b80287ec0fb3b8809613a705b90.jpg&key=f7556068a4071827ca0a6a2b9f4a4f5854076ccc6f37c8eba97524c2bb0505a4
 
Case from the front
b164acb31c1c35d002e1615a93288e2f.jpg&key=5598ec2b5cbe74e3a1187912b473719a1389164a1a4b134abbfc8cedf162256a
 
Case from the side
fc650f4638b995892e0601f3b65ea598.jpg&key=b881d2f5aad4666ece76b001880e2fa407cc18f2faddd2391a14bed8e6b500e2
 
Case from the back
a6b61a9a1618fe0509a8b9a701ae029e.jpg&key=5bc20159f4ac4c9fa3c944eb895ddd21cacef2b1ae1183826b37253501192078
 
Case lid from the outside
e0ba31dbfb8b980eca6ab230bbddcd8b.jpg&key=ba371307e45f988e44585ae5b72b69040b3b7fffa6d4150259c0a02b5e790ed8
 
And finally the case lid from the inside
65ad263f35b3594ca648ab67d33b5a24.jpg&key=be5924002ee5d024591c185be3fe50d48f02f9cb2e69e5fd0f5306a6dca4b580
 
 
Sent from my Commodore 64

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The crystal looks like it could be polished. A little small but tape the case for protection. Lot of threads on polishing acrylic crystals on the forum. I see one problem . The crowntube is a little deformed. That has to be changed. 

If you like to change the crystal anyhow you could probably use a Sternkreuz  ATC  crystal.  With gold tension ring.  You have to measure the old crystal and order one in the same size. 

Cousinsuk is the best place to order from i think. 

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If you want to know about the watch, the serial number is the long number 8 million dates it to about 1970-1971.

The other number is broken down as follows the first two digits are the code for the movement used 08 was used for calibres 13-20, 13-21, 13-22 the second two digits 21 are Certina's code for a stainless steel case with gold cap probably 18 ct but could be 14 ct.

The other number 449 is the model number.

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The crystal looks like it could be polished. A little small but tape the case for protection. Lot of threads on polishing acrylic crystals on the forum. I see one problem . The crowntube is a little deformed. That has to be changed. 
If you like to change the crystal anyhow you could probably use a Sternkreuz  ATC  crystal.  With gold tension ring.  You have to measure the old crystal and order one in the same size. 
Cousinsuk is the best place to order from i think. 


Thank you for the reply. I'll check the crowntube. It looked OK when I took it apart. The photos are taken on an iPhone through a loupe. That might give some distortions.

I went into Cousins and looked there. Tried to search, but found no info or parts for the 449 case. I'll try some more.


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You don't need to search for your specific model as you won't find one. This watch has a generic acrylic crystal like most vintage watches.



Roger that. So I guess I just measure the diameter of the glass and order the same size then.

Thanks for the reply.


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Normally there are many types of crystals so you should measure a couple of things. Crystal diameter, diameter, thickness and height of the gasket provided it has a gasket. Some have an internal tension ring.

Be sure to get the one that is similar in type to yours. Wouldn't necessarily be a problem if you ordered a different one but I'm assuming you wanna go for originality as much as possible.

You can try and order a crystal that is 0.1-0.2mm larger in diameter than what you've measured. If it's slightly too big you can just sandpaper the edge a bit.

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