The Seiko 8420-6979 is a watch model based on the 8420 movement.
Parts List
| ES6N62GN00 | crystal |
| 25M10NA1 | crown |
| 35M10NS1 | crown |
| 35M10NA1 | crown |
| 0Z0034B01 | case back gasket - crown and stem gasket |
| 0G1601N01 | case back gasket - case back gasket |
| B5153G | band - metal band |
| B5153G-BK6G | clasp - clasp |
| B5153G-PB3 | clasp - parts for buckle/clasp |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 82705860 | others - case ring |
| 84201600XS14 | others - dial |
| 8420697925 | others - case |
| 84209 | others - machine code |
| 0354815 | others - winding stem |
| 04R13DGM | others - minute hand |
| 04R13DGH | others - hour hand |
| DZ0041B01 | others - crown and stem gasket |
Caliber 8420
