The Seiko 8L21-00A0 is a watch model based on the 8L21 movement.
Parts List
| 240P02SN02 | crystal - crystal (sapphire) |
| 300P65S20A | crystal - crystal (sapphire) |
| 9K60C5SNS0 | crown - crown (3h) |
| 0F260BAD2 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| 86575520 | crystal gasket - crystal plastic gasket |
| 86592250 | crystal gasket - plastic gasket for crystal |
| 86179271 | bezel gasket - plastic gasket for bezel |
| D1Y3DG | band - metal band |
| DES9AW | band - band |
| D1Y3DG-LK00 | band - link |
| DFV2AW | band - band |
| D1Y3DG-BK00 | clasp - clasp |
| 1FH085LFBDK | others - hour hand |
| 2FH125LGBDK | others - minute hand |
| 3BX135FABNS | others - second hand |
| 82844975 | others - case ring |
| 8L2100A0 | others - case back |
| 8L2100A002A | others - case |
| 0351440 | others - winding stem |
| 89926519 | others - casing spring |
| 8L2100A001A | others - case |
| 82317635 | others - bezel |
| 81507195 | others - case back screw |
| D1Y3DG-BKPN | others - pin for buckle/clasp |
| D1Y3DG-BKPP | others - spring bar for buckle/clasp |
| D1Y3DG-EP00 | others - endpiece |
| 0884165 | others - holding ring for dial |
| 8L2100A0XB19 | others - dial |
| 8L2100A0XY19 | others - dial |
| D1Y3DG-LKPN | others - pin for link |
| S200BS | others - push pin |
Other models with the same movement