The Seiko 4N00-6591 is a watch model based on the 4N00 movement.
Parts List
| ES3A69J20B | crystal - crystal |
| ES3A69J20A | crystal - crystal |
| ES3A69J2 | crystal |
| 6M30B5NNG0 | crown - crown |
| 6M30B5NN | crown |
| 0H1600B01 | case back gasket - case back gasket |
| 0H1600B0 | case back gasket |
| 4364MG | band - band |
| 4364XG | band - metal band |
| 4364KG | band - band |
| LOCAL | band - band |
| 4364KG-LKG | band - link |
| 4364MG-LKG | band - link |
| 4364XG-LKG | band - link |
| 4364KG-BK4G | clasp - buckle |
| 4364MG-BK4G | clasp - buckle |
| 4364XG-BK4G | clasp - buckle |
| 2CE045L0BDG | others - minute hand |
| A120BS | others - push pin (for lb) |
| 4N00659125B | others - case |
| 4N006591JJA | others - case |
| 4N004681XB14 | others - dial |
| 4N004681XG14 | others - dial |
| 4N0061 | others - machine code |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 4N00659125A | others - case |
| 82871750 | others - case ring |
| 4N006591 | others - case back |
| 1CE030L2BDG | others - hour hand |