Fergus
Needs a Life!
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Post by Fergus on Dec 25, 2019 0:18:56 GMT -8
I have brought back to life 2 non working vintage Seiko's for a good friend. Both with great sentimental value to him. He has been very pleased and has now asked me to service his Rolex Oyster Perpetual DateJust. This was his late fathers watch. One of 2 Rolex's he owns. I have said I'll open the back before I say yea or ney. Having Googled the movement is very similar to Seiko 61 mechanicals so at this point I am not shaking...it's only a watch. I have serviced 50+ Seiko's now from models 51##, 61##, 63##, 66#, 71##, 75## and 82## Anything I should be wary of if I do carry out the work. Added:  |
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tritto
WS Benefactor
Posts: 5,873 
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Post by tritto on Dec 25, 2019 0:55:42 GMT -8
Does it have a regular means or regulating it, or does it need one of those specialised tools?
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Fergus
Needs a Life!
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Post by Fergus on Dec 25, 2019 0:59:47 GMT -8
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tritto
WS Benefactor
Posts: 5,873
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Post by tritto on Dec 25, 2019 1:17:13 GMT -8
My concern would be that if a part goes ping or gets broken they're bound to be both difficult and expensive to replace.
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HiBeat
Global Moderator
SEIKO Iko Iko GDTRWS
Posts: 8,667
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Post by HiBeat on Dec 25, 2019 7:55:13 GMT -8
Does it have a regular means or regulating it, or does it need one of those specialised tools? If it has a microstella balance it will require a special tool. www.watchwallpapers.com/ms.htm |
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kue
Timekeeper
Posts: 598
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Post by kue on Dec 25, 2019 8:17:38 GMT -8
Looks like a 16220 with a 3135.
A 3135 changes date clockwise, anything older is counterclockwise.
These are reasonably straightforward but check out the Watch Repair Channel YouTube vids beforehand.
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Post by Benchdweller on Jan 2, 2020 18:34:30 GMT -8
I'm not sure if you've decided to tackle this yet Don but the case number will be between the lugs and tell you what's inside.
My money's on a 3135 and you'll need the correct case back tool, the Microstella tool for regulating, a specific punch and staking set if the rotor axle needs replacing and the teflon reverser wheels should be coated with Epilame. Other than that it's just another automatic three hand movement, just slightly different in much the same way a 5126 differs from a 6309 and it's of much higher quality, which I'd say makes it easier to work on than a 5126 although regulating can daunting with the hairspring in such close proximity.
One thing to be aware of is the price of the parts and how much it's going to cost you if something pings across the room or gets damaged when you're working on it. There's a little jewel on the date jumper which is very easy to lose and will cost around £40 to replace and a new balance wheel is around £400 which certainly focuses the mind when you're regulating it.
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Fergus
Needs a Life!
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Post by Fergus on Jan 18, 2020 23:29:02 GMT -8
Thanks Dave for the information. I am now in two minds whether to risk tinkering a £3K sentimental piece. Microstella tool for regulating...wow that looks fiddly and possibly highly dangerous. The owner is not phased, he just says when shall I drop it around  |
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Adrian-VTA
Global Moderator
Adelaide, South Australia
Posts: 5,327
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Post by Adrian-VTA on Feb 2, 2020 23:29:53 GMT -8
Which movement is it?
They're fairly straightforward for the most part. If it's a 15 series movement be careful with the date change mechanism.
Also, if it's a 15 series, you'll need a gear puller for the 4th wheel.
The microstella system is great, but I wouldn't touch it if you don't feel confident.
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