One off or rare watch?? Worth a lot?

Interesting issue that I just noticed: this Seiko 5actus Watch from 1977 has a calibre listing on the dial of 7019-8030R but on the case back it says 7019-8010!! Like a mis-printed coin, is this watch therefore worth a lot of money for its rarity?? 🤪😲🤔🤪

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Or... Is it a franken... Er mod?

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It's not unusual to find replacement dials from other watch cases. Especially on Seiko's as they had so many combinations and yearly releases with small changes with new editions. So not worth anything extra, actually probably less, doesn't mean it's not a nice vintage watch to wear! Post a full watch pic for our enjoyment!

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Here's a thread of similar watches, I feel like the numbers on Seiko dials don't always match the casebacks but I don't know why. https://www.thewatchsite.com/threads/seiko-5-actus-7019-8010-1971.38238/

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It indeed might not be 100% original. Another explanation could be that it is a transition piece. There are lots of examples of vintage GS's with a dial from a later model along with a previous model movement (in the same line though), eg a 5722-9990 with a 43999 movement. I like such pieces but they are generally less sought after (although 100% original)

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FYI, very good info from a reply in a Reddit site:

“This is not a misprint. The dial number and case number are almost always different. In the catalog your watch is at bottom right with code 801-803. This corresponds to case number 7019-801(0) and dial number 7019-803(0).

Note 801-802 is the same watch (bottom left) with a different dial with no lume. Dial number is 7019-8020 for that one. BTW the R is the factory the dial was made (Shokosha), and the suffix zero is a revision code of sorts. Usually 0 is Japanese market. Taking it a step further- the ‘8’ in 8010 / 8030 etc. represents a 28mm dial, using the ones digit of the dial diameter.

I will add this is one of the most common 5 Actus watches- But I like them. I have the black dial version and a gold version.

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Also, “All the info I posted is available elsewhere online so you can cite and refer those sources, as that’s where I learned- the catalogs are in TheSeikoGuy website. The info on the case codes is on PlusNineTime as is the article on reading six digit case/dial codes from the catalog. The info on the dial letter codes is from this thread in TheWatchSite forum.”

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kkramme

FYI, very good info from a reply in a Reddit site:

“This is not a misprint. The dial number and case number are almost always different. In the catalog your watch is at bottom right with code 801-803. This corresponds to case number 7019-801(0) and dial number 7019-803(0).

Note 801-802 is the same watch (bottom left) with a different dial with no lume. Dial number is 7019-8020 for that one. BTW the R is the factory the dial was made (Shokosha), and the suffix zero is a revision code of sorts. Usually 0 is Japanese market. Taking it a step further- the ‘8’ in 8010 / 8030 etc. represents a 28mm dial, using the ones digit of the dial diameter.

I will add this is one of the most common 5 Actus watches- But I like them. I have the black dial version and a gold version.

Cool, I knew some this but not all. Excellent info 👍