engine unused old stock tried to show groove gasket I have taken a picture of a few together to show groove in seal THIS IS FOR ONE SEAL ONLY WITH option to purchase others DID I say ONE SEAL ONLY

Seiko EC3538B Genuine Crystal Glass Gasket Seiko Jumbo 6138-3000 3002 /3 6138-3005 /9

GENUINE ORIGINAL SEIKO NOS PARTS
EC3538B04 Genuine Original Glass Gasket Seiko Jumbo Case Back Numbers;

6138-3002 
6138-3003
6138-3005
6138-3009