Winder on Rotary watch

The serial number and the name don't bring any information. Check eBay and filter by 'Sold'. That will give an indication of prices realized.

https://www.google.com/search?q=rotary+ladies+vintage+watch+value

https://www.google.com/search?q=rotary+ruben+watch+serial+number+L89137

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Tip & How-To about Watches

Changing Watch Batteries
Lots of posters ask "what is the battery in my (name of watch)" with a view to changing it yourself. This is a bad idea for many reasons. You don't have the tools or knowledge to remove a rotary screw on back, or the gasket sealant for a waterproof watch. Some fashion watches have 4 traditional screw and need professional grade jeweler screwdrivers. Also, there are about 20 batteries commonly used in watches, in various sizes and internal technology, Lithium Ion, Silver Oxide and Manganese Alkaline. If you buy them, you generally have to buy 10!

Don't sweat the details. Just take the watch to your local jeweler. They have all the batteries at hand and the tools to remove the back. It is done whilst you wait for $8 to $15!

Posted by ADMIN... on Dec 31, 2018

OPEN UP THE BOTTOM AND STICK A SMALL THIN PAINT BRUSH IN AND WIPE IT CLEAN I HAVE DONE IT A FEW TIMES

I'm looking for a glass and a winding boss for a stainless steel Rotary Diademe. [email protected]

Thank you for contacting FixYa.
You can not do this yourself. You can not remove bezel as it is sealed. To go through the back requires removing all the watch inside components and you will have to remove the winder. NOT RECOMMENDED TO DO YOURSELF.
Take to a local watchmaker, or send here:
http://www.casio.com/support/authorizedservice/

Best regards. Jewel

Hi Chris,

Skagen watches have very thin domed crystals and they do break. Because of how thin they are it doesn't take a lot of pressure to break the crystal.

Crystals are not something any watch company covers in their warranty.

The crystal can be replaced. Either Skagen can replace them or a qualified watchmaker can. Prices vary and it would depend on how much you are willing to spend as to if it was worth it to you.

The watch should last 36 hours from fully wound. If your wearing the watch and using a watch winder and its still stopping, you have a problem with the mechanism. Get it serviced. (its probably just a clean and oil req'd) 

Take your watch to a watchmaker for service.

are you sure you want to. i would not advise it unless you are qualified to . hope this helps

Hi Janet, Follow this link.

https://www.youtube.com/watch?v=WBPD80zQPRY

Or smear some washing up liquid around the rubber ring on the back part.
Hope this helps.
Kind regards
David