The Seiko 4N00-6581 is a watch model based on the 4N00 movement.
Parts List
| ES3A67JN02 | crystal - crystal |
| ES3A67JN | crystal |
| 6M30B9NNG1 | crown - crown |
| 6M30B9NN | crown |
| 0H1400B01 | case back gasket - case back gasket |
| 0H1400B0 | case back gasket |
| 4367MQ-LKG | band - link |
| 4367XQ-LKG | band - link |
| 4367KQ-LKG | band - link |
| 4367LQ-LKG | band - link |
| 4367LQ | band - band |
| 4367XQ | band - metal band |
| 4367MQ | band - band |
| 4367KQ | band - band |
| LOCAL | band - band |
| 4367KQ-BKCG | clasp - buckle |
| 4367LQ-BKCS | clasp - buckle |
| 4367XQ-BKCS | clasp - buckle |
| 4367MQ-BKCG | clasp - buckle |
| 4367KQ-EPG | others - endpiece |
| 4N0065812HB | others - case |
| 4367MQ-EPG | others - endpiece |
| 4367LQ-EPG | others - endpiece |
| 4N004671XB14 | others - dial |
| 4N004671XG14 | others - dial |
| 4N004671XS14 | others - dial |
| 4N004671XS24 | others - dial |
| 4N004671XS34 | others - dial |
| 4N0061 | others - machine code |
| 4367XQ-EPG | others - endpiece |
| 4N0065812HA | others - case |
| 0351155 | others - winding stem |
| 81606679 | others - bracelet fixing pin |
| 4N00658125A | others - case |
| 82861870 | others - case ring |
| 4N006581 | others - case back |
| 81190075 | others - bracelet fixing pipe |
| DZ0040B01 | others - crown and stem gasket |
| 2CE047L0BDG | others - minute hand |
| 1CE030L2BDG | others - hour hand |