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Old 26 August 2019, 01:05 PM   #1
Old Expat Beast
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Icon2 Vintage Seiko Accuracy

Playing around with a few pieces on my timegrapher here. The beat error is a little wide, but this 1962 Seiko Cronos is a great example of how Vintage Seiko watches just keep on going
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Old 26 August 2019, 01:18 PM   #2
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And this 1964 Seiko Champion isn't too shabby either.
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Old 26 August 2019, 02:15 PM   #3
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Hi Adam,
Can you please explain the results a bit.

The first one says 1.9ms for 18,000 beats, what does that mean for loss or gain of seconds per day?

And the second one, the 1964, it says .4ms for 52 degrees, Iím not sure what that means at all.

(I guess I can google timegrapher, let me know and I will)

Love that 1964!!


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Old 26 August 2019, 02:24 PM   #4
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Hi Kevin,
Ok the 18,000 is the beats-per-hour, and 52 is the lift angle - these two numbers alternate on the display. Different movements require different lift angles, but 52 is pretty standard if you don't happen to know the required lift angle for your movement.

1.9ms is the beat error, which means the balance wheel swings a little unevenly, but not horribly so (anything between 0.0 and 0.9 is good). Amplitude is basically how far around the 360 degrees the balance wheel turns. Over 300 is great, 275 is good, and I'd say 230-240 is acceptable, and anything over 200 is ok if you want the watch to function. (others may disagree, and I'm really talking only about Seiko movements). The "Rate" is the seconds lost or gained per 24 hours (resting dial-up in this case)


Hope that helps!
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Old 26 August 2019, 02:41 PM   #5
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Quote:
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Hi Adam,


Love that 1964!!

Thanks Check out the caseback, January 1964 and barely worn . . . I think this was in storage for a long time.
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Old 26 August 2019, 02:50 PM   #6
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Vintage Seiko and Vintage Omega...two of the best values in watches
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Old 26 August 2019, 04:09 PM   #7
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Quote:
Originally Posted by Old Expat Beast View Post
Thanks Check out the caseback, January 1964 and barely worn . . . I think this was in storage for a long time.


That is really cool and nice to see the great shape it is in. I love my Seikomatic, Iíll try to get some shots of it on this week. He might like a cousin to hang out with. Let me know if youíre interested in finding it a new caregiver some day.

I googled the seahorse and Seikoís and ended up looking at a 1964 Seiko Seahorse which had a great story:
https://www.fratellowatches.com/seik...-review-62mas/



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Old 26 August 2019, 04:26 PM   #8
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Quote:
Originally Posted by Romeojk View Post
That is really cool and nice to see the great shape it is in. I love my Seikomatic, Iíll try to get some shots of it on this week. He might like a cousin to hang out with. Let me know if youíre interested in finding it a new caregiver some day.

I googled the seahorse and Seikoís and ended up looking at a 1964 Seiko Seahorse which had a great story:
https://www.fratellowatches.com/seik...-review-62mas/



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That's an interesting article and a cool watch. I have a 1966 catalog here with a slightly dressier Seahorse next to a 62MAS.

A Seahorse logo was used on the casebacks of early waterproof handwinding models, and a dolphin was used on the back of waterproof automatics.
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Old 26 August 2019, 08:20 PM   #9
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Very nice.
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Old 27 August 2019, 04:18 AM   #10
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The Champion Calendar is magnificent. Wow
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Old 27 August 2019, 08:33 AM   #11
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Thanks Flavio
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Old 27 August 2019, 09:13 AM   #12
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Quote:
Originally Posted by Old Expat Beast View Post
Hi Kevin,
Ok the 18,000 is the beats-per-hour, and 52 is the lift angle - these two numbers alternate on the display. Different movements require different lift angles, but 52 is pretty standard if you don't happen to know the required lift angle for your movement.

1.9ms is the beat error, which means the balance wheel swings a little unevenly, but not horribly so (anything between 0.0 and 0.9 is good). Amplitude is basically how far around the 360 degrees the balance wheel turns. Over 300 is great, 275 is good, and I'd say 230-240 is acceptable, and anything over 200 is ok if you want the watch to function. (others may disagree, and I'm really talking only about Seiko movements). The "Rate" is the seconds lost or gained per 24 hours (resting dial-up in this case)

Hope that helps!

Solid.
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Old 28 August 2019, 04:23 PM   #13
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Cheers
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Old 12 September 2019, 01:31 PM   #14
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For the record, here's another one I just got...a 1968 Sportsmatic, putting up good numbers right out of the barn, and doing even better on the wrist.
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Old 12 September 2019, 08:46 PM   #15
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I like how you have wrapped the metal part on your timegrapher to prevent the watches from getting scratched!
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Old 12 September 2019, 11:22 PM   #16
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You have some realy great Seiko models. Very nice vintage stuff, sir.
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Old 12 September 2019, 11:48 PM   #17
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Quote:
Originally Posted by Old Expat Beast View Post
Thanks Check out the caseback, January 1964 and barely worn . . . I think this was in storage for a long time.
I'm from January 1964 too and widely worn:

Beats per hour is about 130
Beat error is fairly high (1.3)
Amplitude is still above 280
The rate is not so good, but enough. (-15s/d)

My wife stops once in a while the movement an sets up the exact time newly

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Old 13 September 2019, 10:55 AM   #18
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I like how you have wrapped the metal part on your timegrapher to prevent the watches from getting scratched!
Duct tape to the rescue yet again

Quote:
Originally Posted by Rebel View Post
You have some realy great Seiko models. Very nice vintage stuff, sir.
Thank you very much
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