Seiko 7002 Attempted Cleanup Job! - Seiko & Citizen Watch Forum Japanese Watch Reviews, Discussion & Trading
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Old 02-25-2017, 08:17 AM   #1 (permalink)
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Default Seiko 7002 Attempted Cleanup Job!

Or as good as I can get!

I bought this 'Ramon Special' because of the dial, an appealing yellow tinted lume version of the 7002 that I believe is somewhat rarer than usual. Unsure of why the the lume is different or ages like this compared to the alternative grey versions.

This is the image from that well known listing style!


I was hoping the dial was as nice as it looked and thought what the hell, so I went for it and it arrived looking more like this:




Bezel off and an inspection of the worrying wear to the case and I see the click ball hole looked gunked or rusted up. It would turn out later that this hole is too damaged (I helped it a little bit to get worse) and I'm going to think about whether it's worth sending off to JB to get it drilled.



I carried on...



Pleased by the dial, but not the hands, I was thinking it would look great with some replacements. I have a spare set of OEM 6309 hands that could do, but I didn't really want to use (waste?) them on this watch.



Now, if this was an original insert I might have kept it, but it's clearly not very good and if it is Seiko I think it could be a very worn out SKX insert. I have a spare 6309 bezel or two to use, or what I think is a 7002 insert. Anyway I was looking forward to getting this all cleaned to see how things start shaping up.




Ah.



Yup, that's a pity, but to be expected. I will tackle it and see what happens. If needs be maybe I can source a 7002 case replacement.



Chapter ring was good and I'd expected it to be worse, needs a slight clean up on the rim and the underside where all that rust is.

With a wire brush pen and then a fibre glass tip pen, after a good soak in the ultrasonic cleaner, I was fairly pleased with how the case turned out. It's polished (or very worn) on the lugs and that pitting is a bit dissapointing, but nothing that can't be hidden by the chapter ring!




The chapter ring cleaned up nicely at least!


And thankfully the hard-to-find crystal gasket was looking very good.


Parts cleaned and a new crystal I had spare I put it all back together. The shot below might have the original crystal which wasn't too bad (can't remember, and I think it's marked enough to be but it could be reflections, dust etc...) but since then I've definitely put a replacement in!




Next I wanted to tackle the hands (the movement will be done later down the line, for now I wanted to see how I could turn this around) and so I stripped the lume and gave them a brush with a scratch brush fibre tip pen to clean them up a little.



I redid the surface with some silver plating polish and they looke good, but here is a shot with them ready to be relumed.



Lume drying, took a long time...



Lume close to dry...



I kinda screwed up the minute hand by dropping it on the table and when picking it up I damaged the lume that was just setting, so I redid this one but unfortunately the colout wasn't exactly the same. Bugger! But actually it's close enough for me for now.



Quite hard to believe these are the same hands! They have wear, and well yeh could be brand new for the watch but I like how these turned out.




And here it is:





Not bad, could be better but next is the 7002A movement to tackle and I hope get ticking nicer than it is now, where it's suffering a little with very poor amplitude and stops intermittently. It looks clean enough and the fact it runs at all gives me hope!





Last edited by GuyJ; 02-25-2017 at 08:33 AM.
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Old 02-25-2017, 08:43 AM   #2 (permalink)
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Good job so far and an enjoyable read. Keep us updated with the movement strip.
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Old 02-25-2017, 12:25 PM   #3 (permalink)
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I shall do. Don't know when I'll tackle it but probably next week.
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Old 02-25-2017, 01:05 PM   #4 (permalink)
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Nice work Guy.
I'm pretty sure I saw that one amongst Ramons offerings, and did consider buying it because the dial looked good.
I decided against it though as I have so many 7002's and very little spare time of late.
I seem to recall reading, that Seiko did some experimenting with lume types during the production of the 7002, and I've recently discovered they were using Promethium 147.
Don't lick the dial

Dial suggests its a 7000 or 700A, whats the case back say?
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Old 02-25-2017, 01:28 PM   #5 (permalink)
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Caseback is incorrect unfortunately, Ivor.

I had to lick the dial! It's good luck, isn't it? But why am I magnetic and turning green?

Yeh saw that thread, I imagine it's not to worry about now, but I guess scraping the lume off these would require a good open window and maybe not breathing... Not gonna touch it. You don't happen to have a spare caseback do you? It should be quite decent when the click is drilled and the movement done. Hopeful to be able to get it working.

Whilst doing this I fit a new mainspring, quite enjoyed it so I'll do this one's MS and not be so daunted.
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Old 02-25-2017, 02:33 PM   #6 (permalink)
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Don't forget, it's always a good idea to exercise a bit before doing the movement service; a nice warm-up with some calisthenics and cardiovascular. Helps to regulate the breathing and heart rate and keeps you more relaxed while working on all those small parts!

Very nice job on that 7002! Really looks like a totally different watch. With the pitting under the chapter ring, I would have thought the stem would have seen some damage as well, but it looks pretty nice.

Overall fantastic outcome here Guy! Lume looks great too....new business opportunity here?

Mike
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Old 02-25-2017, 02:59 PM   #7 (permalink)
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There is slight pitting around the caseback, but nothing like the chapter ring shelf. The caseback wall is intact so I think it would pressure test well. Which is something I'd love to have, might have to buy one of the cheaper pressure testers that resemble the expensive Bergeon.

If I do exercise, Mike, I'll just want to go to sleep!

Thanks my friend, I was pleased with the job on the hands. Keep wanting to get the movement apart and get it all cleaned but having just sorted the PC build out aswell I think I'll leave it til mid week maybe.
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Old 02-25-2017, 03:00 PM   #8 (permalink)
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Quote:
Originally Posted by Bodo View Post
Caseback is incorrect unfortunately, Ivor.

I had to lick the dial! It's good luck, isn't it? But why am I magnetic and turning green?

Yeh saw that thread, I imagine it's not to worry about now, but I guess scraping the lume off these would require a good open window and maybe not breathing... Not gonna touch it. You don't happen to have a spare caseback do you? It should be quite decent when the click is drilled and the movement done. Hopeful to be able to get it working.

Whilst doing this I fit a new mainspring, quite enjoyed it so I'll do this one's MS and not be so daunted.
Sorry Guy, I don't have any 7000 case backs and the only 700A one I have is so pitted its way beyond salvage.
If I do come across one ill give you a shout
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Old 02-25-2017, 05:15 PM   #9 (permalink)
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Cheers Ivor. It isn't a big deal but I suppose if one turns up randomly it would be cool.
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Old 02-26-2017, 11:42 AM   #10 (permalink)
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Looks great! What a transformation. I am looking forward to reading about the work on the movement.
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Old 02-26-2017, 11:49 AM   #11 (permalink)
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This is very interesting. I also am also keen to see how it turns out.
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Old 02-27-2017, 06:11 PM   #12 (permalink)
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OK. Movement stripped today. Will upload some pictures but after the initial steps I decided to just carry on as I got too involved and wanted to concentrate!

Anyway after cleaning the parts in lighter fluid and drying in isopropyl alcohol they came up looking great. I cleaned the mainspring and actually really enjoy doing this manually. The difficult part for me is getting the first part in against the barrel wall but only where the spring meats the end where it has to tuck inside, after that it's plain sailing. Barrel wall lubricated with some 8217 and the spring coated in 8141* with some watchmaker's paper and then wiped again. Getting the arbour in takes a bit of practice but eventually got it.

Next was making sure to lubricate the centre wheel and mainspring arbour before placing the bridge down. Once I'd got this far I carried on without taking any more pictures. Doing the balance diashock is always fun but found it quite easy this time. Gripping the jewel cap with some tweezers and placing a small drop of 9010 I found trouble but soon got the hang of it, the balance was already oscillating nicely after I got the train wheel bridge installed and gave it a wind. Used 9010, Seiko S4, 9104 and 8300/8217 as mentioned on the barrel and mainspring.

I didn't place it on the timegrapher just yet because when I got it on the wrist I was pleased to see it ticking nicely and so far has been spot on, so I'm hoping the reading is good. I shall see... Since setting the time at half 6 it's been perfect. Only a few winds on the spring so through wearing it I very much doubt it's anywhere near full wind and it's performing well.

Really enjoyed this and it's only issue now is the incorrect caseback and the click ball issue, but with a new gasket on the bezel it's not too bad. Will be sorting out drilling the case over the next week or two or may well send to John at some point for his skills to sort it.

Pleased by the condition of the parts, especially the date wheel which was in excellent condition and I'd expected it to bee worn at some points but it's great.





*got this wrong..

Last edited by GuyJ; 03-01-2017 at 06:27 PM.
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Old 02-27-2017, 08:13 PM   #13 (permalink)
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Very nice and well done.
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Old 02-27-2017, 08:43 PM   #14 (permalink)
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Thank CBN. At my girlfriend's at the moment but I'm eager to see what pictures I took and more importantly what the timegrapher reading is...

Just looking again at it now it is still going. With casual wear since 5pm ish, after I'd say about two turns on the mainspring to get it ticking I will be interested to see it in the morning. If it stops I'll be annoyed.

Tomorrow I'll test and up the shot. It'll be embarrassing if the timegrapher is like snow! I hope not.....
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Old 02-28-2017, 04:55 AM   #15 (permalink)
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Ok a few more pictures but unfortunately not many of the process, sorry guys but looking back I wish I'd taken more. Next time, as I might have just bought another to salvage.

Ok so here they are along with a timegrapher pic.

Here is the mainplate pre-cleaning:


Here are the parts including the mainspring laid out. You can see the gunk on the MS barrel.


Here is a shot of the mainplaye all nice and clean!


Crown stem lubricated and fitted:


Centre wheel installed:



And third wheel:


And yup....that's it I'm afraid,. wish I'd taken more as I think if they looked as good as these first few it would have been a great guide. Sorry!

Here is a shot of the timegrapher reading this morning after just getting home. It's been on the bedise table overnight at my girlfriends and then a 5 minute walk home, so nowhere near fully wound and I have to say I'm ivery pleased!



Will regluate it later, but that amplitude I'm getting is pleasing for this, and the line is quite nice and stable. This is the 5th movement I've done and a lot of things felt much more natural this time. Having an ultrasonic cleaner and being able to clean and lubricate the mainspring made it a much more enjoyable task.
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Old 02-28-2017, 05:34 AM   #16 (permalink)
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Great stuff, well done - enjoyable read
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Old 02-28-2017, 10:45 AM   #17 (permalink)
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Cheers Reflex.
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Old 02-28-2017, 11:26 AM   #18 (permalink)
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Thanks for taking the time to share Bodo.
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Old 03-01-2017, 01:42 PM   #19 (permalink)
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OK a bit of regulating done or as good as I know how and it's not doing badly at all. I'd like the amplitude to be higher but I will be tackling the mainspring barrel on the 6119 to try a new method and then if that goes well I may well strip this again.

Pretty happy with this 35 quid spent! The change in the time line is when I changed to crown down. As you can see its quite stable.

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Old 03-01-2017, 02:48 PM   #20 (permalink)
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And this is on the way.

Let's see...





The good, description says bezel clicks. Caseback is correct. Dial looks excellent.

The bad, movement could be worse but looks sorry. Balance oscillates supposedly, and the hands are in need of a, well, hand.

Last edited by GuyJ; 03-01-2017 at 02:52 PM.
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Old 03-01-2017, 03:50 PM   #21 (permalink)
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Quote:
Originally Posted by Bodo View Post
OK. Movement stripped today. Will upload some pictures but after the initial steps I decided to just carry on as I got too involved and wanted to concentrate!

Barrel wall lubricated with some 8300 and the spring coated in 8217 with some watchmaker's paper]
Wrong way round Guy, 8217 on the wall, 8300 on the spring.

Nice to see someone else has discovered the attributes of the 7002.
Cheap to buy, easy to get parts for, and not a bad looking watch when done.
If you do cock it up, you haven't lost an arm and a leg.

I would be interested in seeing a pic of the main plate's dial side of no2 when it arrives.
Unsigned train bridge on a 150m = someone's probably been in there before.

Nice work and well done.
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Old 03-01-2017, 04:41 PM   #22 (permalink)
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Aghhh
...damn. Ivor it's 8301 but same(ish) difference I guess?

Would this be suitable or should I use 8141 on the spring as in just a couple of small drops once in the barrel? I quite like the idea of coating it with the watch paper. Seems to make more sense to get a very slightly even film coating the spring? Guess it's all about testing right.....
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Old 03-01-2017, 06:17 PM   #23 (permalink)
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Guy,
Auto winders need a braking grease on the barrel wall, 8217 is a braking grease, and ideal for the barrel wall, but not for the spring, 8300 or 8301 is ok for the spring, not the wall.
You've either made a typo in your post, or you've got the lubes back to front when servicing it.
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Old 03-01-2017, 06:26 PM   #24 (permalink)
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Erm Yeh... Definitely a erm.. Typo. Yeh that's it! OK will update thread!
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Old 03-01-2017, 06:36 PM   #25 (permalink)
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Quote:
Originally Posted by Bodo View Post
Erm Yeh... Definitely a erm.. Typo. Yeh that's it! OK will update thread!
Lmao, that's what's known as a senior moment, they get more frequent as you get older. Welcome to the club.
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