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Discussion Starter #1 (Edited)
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 because much like the 6105-81XX crystals there seems to be an early flat top design of this part number and then a later low dome version of the same part number. I have several of each that I am offering up for sale. I have no idea when they changed the design from a flat top to a low dome so it is up to you to figure out which is correct for you 6139 chronograph. Here are some pictures and the list of the chronograph watches it fits

WATCH MATERIAL INTERCHANGE LIST 330W18GN00 (discontinued) SEK CS#6138-8080 SEIKO CASE REFERENCE SEK CS#6139-6000 SEIKO CASE REFERENCE SEK CS#6139-6001 SEIKO CASE REFERENCE SEK CS#6139-6002 SEIKO CASE REFERENCE SEK CS#6139-6005 SEIKO CASE SEK CS#6139-6007 SEIKO SEK CS#6139-6009 SEIKO CASE REFERENCE SEK CS#6139-6009- SEIKO CASE REFERENCE SEK CS#6139-6010 SEIKO CASE REFERENCE SEK CS#6139-6011 SEIKO CASE REFERENCE SEK CS#6139-6012 SEIKO CASE REFERENCE SEK CS#6139-6013 SEIKO SEK CS#6139-6015 SEIKO CASE SEK CS#6139-6017 SEIKO SEK CS#6139-6019 SEIKO SEK CS#6139-6030 SEIKO CASE REFERENCE SEK CS#6139-6032 SEIKO SEK CS#6139-6040 SEIKO CASE REFERENCE SEK CS#6139-6041 SEIKO CASE REFERENCE SEK CS#6139-6089 SEIKO




 

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Discussion Starter #2
All of the low domed 330W18GN crystals are spoken for. I still have 5 flat top 330W18GN crystals available.

Michael
 

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Discussion Starter #4
All crystals are spoken for plus promises for back up sales if any sales fall through so even if one of the sales does not go through other members have already been promised any crystals that the current buyers might not purchase.

Michael
 
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