Jump to content

Recommended Posts

Posted

Hi All,

Hope we're all doing well.

I have a Grand Seiko 4420-9000 in need of some restoration and mechanical work. I sent it off to a restorer who assessed the watch and advised that unfortunately a couple of parts are either missing or broken, and they cannot source them and therefore complete the work they were going to, so they had to retun the watch as is.

The parts are the clutch wheel, setting level and setting level spring.

Does anyone know where I may be able to source these parts from, or, if these parts may be transferable from another similar (hopefully considerably cheaper...) movement?

Thanks in advance
Matt

Posted

Hi Matt  Only found the setting lever at Jules Borel (USA) , spring and clutch wheel discontinued. Maybe try speedtinerkollection.co in europe  a seller of second user parts also welwynwatchparts.co.uk. the same, cousins UK nothing listed.  may find a donor on Ebay if you are lucky.

  • Thanks 1
Posted

Thank you for the information sir. I will go to those source and see how I get on.

Are those parts unique to that movement then would you say?

Bit of a bind if they are...

Posted
10 hours ago, MattWatch said:

I have a Grand Seiko 4420-9000

These watches were made and sold exclusively in Japan. You will not find parts in other places. It seems strange that all these these keyless parts are in fact missing or broken. I suggest that you check and verify.

Posted

I love a good parts hunt…

You will find a parts list here with the Seiko part numbers

https://www.thewatchsite.com/threads/seiko-calibers-technical-repair-manuals.15/page-3

Searching by Seiko part number brings up the following…

set lever spring 388974 on eBay: https://www.ebay.co.uk/itm/324140421853?_trkparms=ispr%3D1&hash=item4b784652dd:g:oZcAAOSwsWpenEtG&amdata=enc%3AAQAGAAACkPYe5NmHp%2B2JMhMi7yxGiTJkPrKr5t53CooMSQt2orsSvhAqMt0wg86xg8aAkgjQJBcT9WA8rWFjqveKfdF5Em%2FT2esOHPZ1vZYjDNqnEJQSiQLeCMO3RNM5KQfHoRQCiWLZzpKkSqMrWAK16h%2BCC9nCZ8mYJ0dLpEwgkPQISc0hoGcOUlOnMt5RwLqFRT12ScgmBtFmTeIVem08UYmDbDB%2FQYjkqfktXYRKTFhlzwGjWlkPaK%2B1qJ48fLT4Omp3Famt0C5Mgc5ZB0xU628sdwc1AlpQw2BCDKnSyxuUNtAFbSrlh2T85WoJb2TyxcZR76nQCOzJtBUiT%2BI0sCOrt0ym6BPTYnCjIPvaXxC51VUT16ksueD%2FX4FVSDdcgFqkEXF8bOGOBvEXge19XNQx7OAalWarZN0vOioLeERFObOnVxYwjksff0slg6mmuz0VzKM62761u9SLLo%2FsRLIRiMBmUna8UNfaSYZM178gQdohUVatDbfYJ%2FLpoQqXFZZqfUAbvQ73hjmkSTxfQOb3kU8oVuf5XeqS4iAfXzEmF2X7ad4A30BD9W6tUa0lTLxgI%2FIXoeQtaj1CYeTkfyVBFfmewD9CMyfvuQ82Woz8Q3HFqoEYXtEFpyF4Z%2FmYl0EKy%2Fu9DAJxpfmKkhYqyxeO7UrLb26hLRSO%2BZcaMBXOQ5O7aSbguOBNtwONvc6IRG7SfNpGvENhYjqnQjzFdKQ5%2Fk0zBnwQ5XtjYowxDcdUHlJvjSjVPoZ%2BiXdDVC5FRav1z%2Bagq3HP4mmvukDCYx%2BzCXC4W0yS4XtvoipfyL55BXlV3ZuZnmKQpw9%2F2hevnF%2FMxJXh1Lj97Bs%2FHsYFJPawoJFb32RQ6qMPYKR%2FOlFm6Vqt|clp%3A2334524|tkp%3ABFBM_o36nvFf

 

The same seller has the setting lever (383974) and did have the clutch wheel listed (282440), but the auction is now over - might be worth asking them if it sold or the auction just ended.

Alternatively, if you can find a Japanese translator, I think you can get a clutch wheel here: https://page.auctions.yahoo.co.jp/jp/auction/g1017156851

 

 

  • Recently Browsing

    • No registered users viewing this page.
  • Topics

  • Posts

    • Hello and welcome to the WRT forum.
    • interesting video nice to see the machine what it can do now I wonder what it costs and I'm sure it's not in my budget. Plus the video brought up questions but the website below answers the questions? What was bothering me was the size of his machine 4 mm because I thought it was bigger than that? But then it occurred to me that maybe they had variations it looks like four, seven and 10. With the seven and 10 being the best because way more tool positions in way more rotating tools. Although I bet you all the rotating tools are probably separate cost https://www.tornos.com/en/content/swissnano   Then as we been talking about Sherline. Just so that everyone's aware of this they have another division their industrial division where you can buy bits and pieces. I have a link below that shows that just in case you don't want to have the entire machine you just need bits and pieces. https://www.sherline.com/product-category/industrial-products-division/   Let's see what we can do with the concept I explained up above and bits and pieces. For one thing you can make a really tiny gear very tiny like perhaps you're going to make a watch. Then another version the center part is not separate it is all machined from one piece. Then fills gear cutting machines have gone through multiple of evolutions. A lot of it based on what he wanted to make like he was going to make a watch unfortunately eyesight issues have prevented that. Another reason why you should start projects like this much sooner when your eyesight is really good or perhaps start on watches first and then move the clocks then local we have from the industrial division? Looks like two separate motors and heads. Then it's hard to see but this entire thing is built on top of a much larger milling machine as a larger milling machine gave a very solid platform to build everything.   Then like everything else that had multiple generations are versions the indexing went through of course variations like above is one version and the one below was the last version. Now the version below I mentioned that previously and somewhere in the beginning to discussion and somebody else had one in their picture. As it is a really nice precision indexing. Then I wasn't sure if I had a the watch photos here is his unfinished watch. No he wasn't going to make a simple watch like none of his clocks were simply either what would be the challenge and that.    
    • Use a Portwest Howie lab coat. They are the biological type so they have tapped cuffs so you don't end up getting the loose cuffs of normal lab coats catching everything. 
    • Some of the Chinese tools ae great and can be purchased at a fraction of the price of Swiss ones, some are complete garbage and some I'm convinced are coming out the same factory as the branded ones.
    • I found this string about this problem. I've not gone through it all, but I believe it also mentions making a spring. If not in this string, the info is online.
×
×
  • Create New...