How to check a material of crystal part for vintage seiko bullhead 6138-0040 or pogue 6139-6002 etc. Part number 340W14GN and 330W18GN 340W14GN :... | By Vintage Seiko | Facebook
5 X NEW GLASS CRYSTAL SEIKO 6138 0040 0049 00110030 Bullhead UFO Kakum – A parts
FOR TRADE: Trade Seiko Bell matic 4006 crystal 325T02ANS for 340W14GN | The Watch Site