Seiko 6217-8001 ‘62MAS’ - February 1966

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Hi Guys,

I promised to put up a Bell-Matic service up on my blog but I just haven’t had time yet. I did just put up this 62MAS service and repair if anyone is interested. Enjoy! Sorry, I haven’t had time to post the whole thing on OF, but here is the link:
https://www.theseikologist.com/post/seiko-6217-8001-62mas-february-1966
https://www.theseikologist.com/post/seiko-6217-8001-62mas-february-1966

I wish I could score a 62MAS in that kind of condition. It's gorgeous!
 
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Hi Guys,

I promised to put up a Bell-Matic service up on my blog but I just haven’t had time yet. I did just put up this 62MAS service and repair if anyone is interested. Enjoy! Sorry, I haven’t had time to post the whole thing on OF, but here is the link:
https://www.theseikologist.com/post/seiko-6217-8001-62mas-february-1966
https://www.theseikologist.com/post/seiko-6217-8001-62mas-february-1966
What a master course, and top notch photos. Thanks!!!
 
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Many thanks, Ashton, for your attention to detail on my watch. And for the educational blog post! 👍
 
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Excellent write-up and photos. For me the 62MAS along with the 6159-7001 are the two stand out iconic vintage Seiko divers. Willard doesn't get a look in.
 
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Excellent write-up and photos. For me the 62MAS along with the 6159-7001 are the two stand out iconic vintage Seiko divers. Willard doesn't get a look in.

I agree, and would put the 1967 6215-7000 at the top of that list....

 
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Hi! may i asked which month and year from the reference number on the case back?

Thank you!!

 
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Hi! may i asked which month and year from the reference number on the case back?

Thank you!!

I would say its dated to July 1969
 
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First two numbers in a Seiko serial number are year and month, respectively. Hence, in this case, 9 for 1969 and 7 for July. 😀