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Posted

Hi everyone 

I got this vintage Seiko stopwatch from an antique shop and I'm in the process to restore it. 

I'm struggling to remove the hands. I tried a few times with strong lifting levers, but stopped because it was at a point that something would break.

The hands are very hard steel, blue colour. 

I was able to get to this point by disassembling the movement, but to put it back I will need to separate the hands from these other parts that I don't know the name (please see photo). 

Any tips on how to remove these hands. Any material or tool I can use? I would assume heating is not an option and will damage the dial. 

Many thanks 

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Posted

I'm confused as to why you would like to remove the hands? Typically on the stopwatches as you have a picture of the hands are attached to heart shaped cam parts on the other side of the dial. Those of friction on with the spring onto a driveshaft. The hands typically are hammered on with considerable force because otherwise when returning to zero they will go past. Typically in a repair the dial is removed and the hands and the heart-shaped cams the dial are all one unit is no need to do anything with them.

Otherwise if you really want to remove the hands they make a special tool that goes on either side of the hand sorry I don't have a picture right now and then a center pin would push down and lift the handoff because you can't pry them off like normal hands you need a special tool for stopwatch hands. It's very similar to a tool you'd used to remove gears off the end of the shaft its friction Don.

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