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  1. Seiko Sportsmatic calendar 820

    THE JAPANESE WATCH DISCUSSION FORUM
    Hi All, I'm looking for some information on the Seiko Sportsmatic Calendar 820. I picked this one up (photos attached) on recent trip to Tokyo from a shop in Nakano Broadway. I was aware of the Seiko Sportsmatic line but had never seen this specific model. I was assured it was all original...
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