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Discussion Starter · #1 ·
Hey all,

I was told that some here might like this. My day date corrector whel rocker thingy broke on my grand seiko 5646 and I hear its fairly common for that plastic piece to fail and crack.
I of course could not find the part online aside from scavanging from some other seikos like the 5606's. So I decided to try and fab one up out of brass.

Heres some bad photos
https://imgur.com/a/DlyeY

In action...
http://vimeo.com/93183687

I have to do some finishing on it but it works and I can now quick change my date once more.
 

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Thats good

Hey all,

I was told that some here might like this. My day date corrector whel rocker thingy broke on my grand seiko 5646 and I hear its fairly common for that plastic piece to fail and crack.
I of course could not find the part online aside from scavanging from some other seikos like the 5606's. So I decided to try and fab one up out of brass.

Heres some bad photos
https://imgur.com/a/DlyeY

In action...
http://vimeo.com/93183687

I have to do some finishing on it but it works and I can now quick change my date once more.
Nothing wrong with trying to machine something you really need.
And it works right ............ " Success ".:clap::13::goodjob:
 

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Hello and Welcome Darren,
Your filing skills are enviable- and I like the inventive approach you took, starting from a square to obtain the 4 teeth's rough profile. I've been toying with the idea of making a cutter profiled to the space between each tooth (something I will need to learn by doing), but your solution seems much quicker in a one-off situation, if one has the file-control you show. Well done, and please share with us any future projects!

Regards,
 

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I need the same part for a 5626 and was actually considering making one but I don't have the original to work against.. can I have the dimensions please?

great work :)
 

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Discussion Starter · #6 ·
Oh snap... Sorry Croolis forgot to respond!
http://i.imgur.com/XHDXLxz.jpg kinda like this...

Basically I worked from round stock then made a 1.8mm square at the tip... the center was drilled to 1.0 first then reamed out a little so that it was a little frictiony fitting. As for height I believe it was .6 in total... Just make sure it doesnt interfere with the day wheel above it

In all honesty I didnt take particularly great measurements. :\
As long as you get those teeth correct and centered though....
 

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Sorry for bringing up another old thread. I'm currently in search of this exact part for my GS 5646. I'm wondering if there are any updates on locating or reproducing a replacement for it. I've been searching all over the internet for it.

Thanks
 
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