Problem with day setting of Seiko 5126 7000 - Seiko & Citizen Watch Forum Japanese Watch Reviews, Discussion & Trading
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Old 10-16-2016, 02:25 AM   #1 (permalink)
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Default Problem with day setting of Seiko 5126 7000

Greetings all,
Today, I was messing with my Seiko 5126 7000 with green hour marks because the day change failed. when I peel off the date and day wheel, I found that there was a "J" shaped spring lying around, I would like to know where should this spring go?

Appreciate all help from all you expert out there.

The "J" shaped spring is on top of the movement in the photo.

Thanks!
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Old 10-16-2016, 03:44 AM   #2 (permalink)
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This is the date jumper spring:



Regards, Peter
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Old 10-16-2016, 04:13 AM   #3 (permalink)
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Thanks Peter.mone,
After checking with the movement, the date jumper spring was actually in the place where it should be, I have two similar springs inside the movement, so, what is this other spring?

Thanks a lot!
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Old 10-16-2016, 04:36 AM   #4 (permalink)
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The second possibility is the day jumper, the spring has to installed there.
Unfortunately I'm not at home for a quick look at another movement ...
Peter
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Old 10-16-2016, 04:50 AM   #5 (permalink)
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Hi Peter.mone,
Take your time, no rush, I can wait...

Thanks!
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Old 10-16-2016, 06:35 AM   #6 (permalink)
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... found it on the web (https://thewatchbloke.co.uk/2015/05/...26-6010-jdm/):
The spring sits under the plate, if I'm remebering well, it is to install at the underside of the plate.
Regards, Peter
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Old 10-16-2016, 07:28 AM   #7 (permalink)
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Hi Peter,
Does the shorter end of the spring need to go through the hole or just resting against the wall of the hole?

Regards! Patrick
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Old 10-16-2016, 07:42 AM   #8 (permalink)
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The shorter end of the spring should resting against the wall of the hole.
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Old 10-16-2016, 07:45 AM   #9 (permalink)
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Very difficult, any hints as how to put the spring in it position easily?

Regards!
Patrick
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Old 10-16-2016, 07:53 AM   #10 (permalink)
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There should be a cut out under the plate. First install the sprng there and put on the plate, the ends of the spring cou can positioning through the holes.
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Old 10-17-2016, 07:00 PM   #11 (permalink)
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Hi Peter,
Good news, I managed to put the spring into it's position and now I can change the date by pressing the crown. However, I have two problems now.
Firstly, when I put back the centre smaller day wheel, and put the dial back on, I have difficulty changing the date by pressing the crown, am I tightening the screw too tight on the date plate?
Secondly, the date can be position properly on the window but not the day, the day was misaligned and shift up-ward. What exactly am I doing wrong when positioning the day wheel?

Thanks for your help!
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Old 10-18-2016, 06:37 AM   #12 (permalink)
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Hi, I'm back at home now and the possibility to see what I have in my spare bin to make some photos:

First, the correct seat of the day jumper spring (a really bad photo, sorry ...)


2nd, the correct seat of the day star wheel - you havn't forgot the little washer??


and last, the underside of the correct day star wheel:


Hope this will help,
regards, Peter
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File Type: jpg 5126-2.jpg (86.9 KB, 44 views)
File Type: jpg 5126-3.jpg (108.6 KB, 43 views)
File Type: jpg 5126-1.jpg (168.4 KB, 42 views)
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Old 10-18-2016, 09:46 AM   #13 (permalink)
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Hi Peter,
The instruction is loud and clear and I'll try to follow the steps to see if I can fix the problem.

Thanks a million!

Best rgds!
Patrick.
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Old 10-18-2016, 02:38 PM   #14 (permalink)
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Oh sorry Patrick when I've been too loud
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