The Seiko 7N21-8A00 is a watch model based on the 7N21 movement.
Parts List
| 295W36JN01 | crystal - crystal |
| 8M35A0NNG1 | crown - crown |
| 8M35A0SNW1 | crown - crown |
| 0F270NA1S | case back gasket - case back gasket |
| 0F270BA1S | case back gasket - case back gasket |
| WJ37BW | band - band |
| WJ38BW | band - band |
| WN02BW | band - band |
| WN91BB | band - band |
| WG12BZ | band - band |
| WAY9AW | band - band |
| WX56BZ | band - band |
| 2AF120A1BNS | others - minute hand |
| 1AE080L0BNG | others - hour hand |
| 2AE120L0BNG | others - minute hand |
| 1AB080A0BNG | others - hour hand |
| 2AB120A0BNG | others - minute hand |
| 3AA125F0ANG | others - second hand |
| 3AA125FMANG | others - second hand |
| 3AA125FMANS | others - second hand |
| 1AF080A1BNS | others - hour hand |
| 0351890 | others - winding stem |
| 7N218A0079A | others - case |
| 7N210 | others - machine code |
| 7N210AD0XS19 | others - dial |
| 7N210AF0XN19 | others - dial |
| 7N218A00XB14 | others - dial |
| 7N218A00XB24 | others - dial |
| 7N218A00XG14 | others - dial |
| 7N218A00XS14 | others - dial |
| 7N218A20XG19 | others - dial |
| 7N218A30XS19 | others - dial |
| 7N218A40XS14 | others - dial |
| 7N218A50XG19 | others - dial |
| A180BS | others - push pin |
| 7N218A0075A | others - case |
| 7N218A0075F | others - case |
| 7N218A0075 | others - case |
| 82838900 | others - case ring |
| 7N218A00 | others - case back |
| 7N218A0079 | others - case |
| AD006BA12 | others - crown gasket |
| 2AX120A0BNG | others - minute hand |
| 1AX085A0BNG | others - hour hand |
| 2AF120L0BNG | others - minute hand |
| 1AF080L0BNG | others - hour hand |
Other models with the same movement