Save $100! Grand Seiko 9F Battery + Gasket Change Tutorial

1. Battery
https://www.ebay.com/sch/i.html?_nkw=sr920sw+watch+battery&_sacat=0&_from=R40&_trksid=p4432023.m570.l1311&mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid=5338251106&toolid=11800&mkevt=1

2. Gasket
https://saikyu.com/products/seiko-genuine-fe308bad2-x1-case-back-gasket-5j22-7t32-7t62-7t92-8f56-v657-more?_pos=3&_sid=54b5883a4&_ss=r

CHECK OUT THE EREBUS RANGE HERE!
https://erebuswatches.com/