FS original NOS seiko 6138 Ufo crystal 340W14GT 50euro Mar 21, 2017 15:05:06 GMT -8 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by hitrandrei on Mar 21, 2017 15:05:06 GMT -8 Hello got this crystal when i bought an bezel for my seiko UFO. This crystal is Orginal seiko no aftermarket. Im sure it fit other 6138 models.imgur.com/a/OQbnJCheers!