Some Watch Projects take Forever to Finish...others get done Quickly- 7T27-7A20 Gen 2 - Seiko & Citizen Watch Forum Japanese Watch Reviews, Discussion & Trading
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Old 03-18-2019, 11:36 PM   #1 (permalink)
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Default Some Watch Projects take Forever to Finish...others get done Quickly- 7T27-7A20 Gen 2

I finally finished up 3 Seiko 62MAS that I have had for over 5 years. It took forever to get the right parts, Bezels, hands, straps. Always nice to see them completed but the wait was extremely frustrating.

Recently I saw a Seiko Military 7T27 Chronograph non runner come up for sale at a Very Reasonable price so I pulled the trigger. I've always wanted one of these. Within a few days I sourced a 7T27 Donor movement, Crystal, Phoenix UK Military of Defense (MOD) Admiralty Grey strap, and even found a decent Seiko Box.

I should have this one up and running in No Time

Some Projects take forever but the Seiko Military Gen 2 Chronograph should be finished Very Quickly. All photos are from the Sellers

The Watch



The Donor 7T27



The Crystal




The Strap



The Box (not sure if this is correct but I thought it looks good)


Last edited by bigbluekyle; 03-19-2019 at 12:45 AM.
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Old 03-19-2019, 01:15 AM   #2 (permalink)
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nice work. Congrats for bringing these back into circulation.

Watch repairs are a lesson in patience.
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Old 03-19-2019, 04:36 AM   #3 (permalink)
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That came out really nice Kyle, I had one years ago and have been fancying another for a while, look good and cumfy to wear.
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Old 03-19-2019, 07:19 AM   #4 (permalink)
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I just noticed the Date Wheel on the 7T27 Donor watch is White so I will have to swap the Black Date Wheel from the 7T27 Gen 2.

It seems inevitable that every project becomes more work than originally expected
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Old 03-19-2019, 08:08 AM   #5 (permalink)
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I found this short video. I noticed in the video the 24 hour subdial looks off and the pushers do not reset to Zero

Looking forward to getting mine up and running.


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Old 03-19-2019, 11:34 AM   #6 (permalink)
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Always liked these chronos, and that looks like a great candidate to restore. Look forward to seeing the finished product!

- Craig
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Old 03-19-2019, 12:05 PM   #7 (permalink)
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Nice Military Seiko, I find that any quartz Seiko from the 7T62 and earlier are really nice movements. Once thought to be cheap and near throw away models are attracting well deserved attention. Just take a 7a for example.. The same build quality in so many ways. Good for you.
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Old 03-19-2019, 12:21 PM   #8 (permalink)
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Quote:
Originally Posted by DAHASCO View Post
Nice Military Seiko, I find that any quartz Seiko from the 7T62 and earlier are really nice movements. Once thought to be cheap and near throw away models are attracting well deserved attention. Just take a 7a for example.. The same build quality in so many ways. Good for you.

Like many of you I prefer the quality of the 15 jewel 7A over a 0 jewel 7T but I like the looks of the Gen 2 a little better. After getting the Gen 2 back in service I might have to search for a 7A28-7120 RAF Gen 1 Military Chronograph
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Old 03-19-2019, 12:26 PM   #9 (permalink)
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Quote:
Originally Posted by DAHASCO View Post
Nice Military Seiko, I find that any quartz Seiko from the 7T62 and earlier are really nice movements. Once thought to be cheap and near throw away models are attracting well deserved attention. Just take a 7a for example.. The same build quality in so many ways. Good for you.
These 7t movements are headaches. Unlike the 7a movements they cant be serviced or repaired, so they are throw away movements. In terms of quality the 7a movements are miles ahead.
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Old 03-19-2019, 12:30 PM   #10 (permalink)
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I get the no jewel thing, It's a quartz...They are servicable for sure. It may be easier to just replace the movement...But what really goes wrong with them ? Battery leakage, I dropped it etc... There is always the easy way out...Send it to someone who knows what there doing I remember when I thought a 6309 was impossible to work on....

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Old 03-19-2019, 02:45 PM   #11 (permalink)
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Nice Kyle. Had a strange issue on a 7T27 where the hour wheel had been completely chewed up. I bought a few replacements just incase. Bit like the date driving wheel of the 7C43 I wondered it it was a weak link.
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Old 03-19-2019, 03:34 PM   #12 (permalink)
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Quote:
Originally Posted by DAHASCO View Post
I get the no jewel thing, It's a quartz...They are servicable for sure. It may be easier to just replace the movement...But what really goes wrong with them ? Battery leakage, I dropped it etc... There is always the easy way out...Send it to someone who knows what there doing I remember when I thought a 6309 was impossible to work on....
I have had a few 7t's and had many many issues. Alarms that dont work, chronographs that dont work anymore, other weird issues with the hands, and the list goes on.
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Old 03-19-2019, 04:48 PM   #13 (permalink)
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Have you found the problem with the movements ? Most likely the circuits or adjustments.

https://thewatchsite.com/files/Seiko...uals/7T32A.pdf
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Old 03-23-2019, 01:47 AM   #14 (permalink)
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Quote:
Originally Posted by DAHASCO View Post
Nice Military Seiko, I find that any quartz Seiko from the 7T62 and earlier are really nice movements. Once thought to be cheap and near throw away models are attracting well deserved attention. Just take a 7a for example.. The same build quality in so many ways. Good for you.
+1! One of the reasons I love my non-guigiaro 7a28. Never had reset or alignment issues with the chrono and sub dials. And they say Seikos are throwaways
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Old 03-26-2019, 04:28 AM   #15 (permalink)
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Very nice work. Congrats! Hope to get a Gen1 or 2 one day
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