The Seiko 4N00-6491 is a watch model based on the 4N00 movement.
Parts List
| BA1A71JN02 | crystal - crystal |
| BA1A71JN | crystal |
| 6M35B1NNG0 | crown |
| 6M35B1NN | crown |
| 6M35BNNG0 | crown |
| 0H2000B01 | case back gasket - case back gasket |
| 0H2000B0 | case back gasket |
| 4247YM-LKG | band - link |
| LOCAL | band - band |
| 4247YM | band - metal band |
| 4247YM-BK4G | clasp - buckle |
| 2CE060L0BDG | others - minute hand |
| A120BS | others - push pin (for lb) |
| 4N004421XL14 | others - dial |
| 4N004421XR14 | others - dial |
| 4N0061 | others - machine code |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 4N00649125A | others - case |
| 82870510 | others - case ring |
| 4N006491 | others - case back |
| 1CE040L0BDG | others - hour hand |