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6139 330w18gn
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  1. Seiko & Citizen Trading Post
    While sorting through some more of my bins I found I have several genuine NOS Seiko crystals part number 330W18GN crystals. These are the crystal that is used for most 6139 chronograph models. I do not collect 6139 chronographs so I am offering them up. I believe these are older Seiko stock...
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