The Seiko 6M26-8020 is a watch model based on the 6M26 movement.
Parts List
| 290WA1HK01 | crystal |
| 290WA1HK | crystal |
| 40M0HNA1 | crown - crown |
| 6M268020 | crown |
| 0F260BAA | case back gasket |
| 0H2800B01 | case back gasket - rotating bezel gasket |
| 0F260BAA3 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 80631251 | pusher |
| ZQA33S | band |
| ZQJ36G | band |
| 2AB115A4BLG | others - minute hand |
| 0351168 | others - winding stem |
| 83200273 | others - button spring clip |
| AD006BA11 | others - crown and stem gasket |
| 82852010 | others - case ring |
| 0801457 | others - date dial |
| 0801458 | others - date dial |
| 6M2630 | others - machine code |
| 6M26801LXB14 | others - dial |
| 6M26801LXS14 | others - dial |
| 6M26802075 | others - case |
| 6M268020RL | others - case |
| 6M268020T0 | others - case |
| 82353771 | others - bezel |
| 82353775 | others - bezel |
| 82353779 | others - bezel |
| A190BS | others - push pin |
| 3AX125FAAAR | others - second hand |
| 1AB080A2BLG | others - hour hand |
Caliber 6M26
Other models with the same movement
| 6M26-6000 |
| 6M26-6010 |
| 6M26-6020 |
| 6M26-8030 |
| 6M26-8040 |
| 6M26-8050 |