The Seiko 8M25-7020 is a watch model based on the 8M25 movement.
Parts List
| 280P05LN03 | crystal |
| 280W89LN01 | crystal |
| 40MA5NA1 | crown |
| 40M97NA1 | crown |
| 0F240BAA3 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 86581310 | crystal gasket - plastic gasket for crystal |
| 86592170 | bezel gasket |
| 80609651 | pusher - button |
| B1724G | band |
| B1724C-LKG | band - link |
| B1724G-LKG | band - link |
| B1724C | band |
| B1724C-BK1S | clasp - clasp |
| B1724G-PB1 | clasp - parts for buckle/clasp |
| B1724C-PB1 | clasp - parts for buckle/clasp |
| B1724G-BK1G | clasp - clasp |
| 12Y07AGM | others - minute hand |
| 12Y07AGH | others - hour hand |
| EG0060B01 | others - button gasket |
| 83200273 | others - button spring clip |
| 0351148 | others - winding stem |
| 82343631 | others - bezel |
| 82831190 | others - case ring |
| 8M2560 | others - machine code |
| 8M257020 | others - case back |
| 8M25702075 | others - case |
| 8M25702098 | others - case |
| 8M257040XS19 | others - dial |
| 8M257050XG14 | others - dial |
| 8M257050XS14 | others - dial |
| 8M257050XS24 | others - dial |
| 8M257080XL14 | others - dial |
| A160BS | others - push pin |
| 05SR01NG | others - second hand |
| 12Y09NGM | others - minute hand |
| 12Y09NGH | others - hour hand |