The Seiko 4N00-6669 is a watch model based on the 4N00 movement.
Parts List
| ES3A63J20A | crystal - crystal |
| ES3A63J2 | crystal |
| 30M71NA7 | crown - crown |
| 0H1500B01 | case back gasket - case back gasket |
| 0H1500B0 | case back gasket |
| 2034BB | band - metal band |
| LOCAL | band - band |
| 2034BB-LKG | band - link |
| 2034BB-BK4G | clasp - buckle |
| 0351155 | others - winding stem |
| 81604279 | others - bracelet fixing pin |
| 4N00666926A | others - case |
| 82871610 | others - case ring |
| 4N006669 | others - case back |
| 81604259 | others - bracelet fixing pin |
| 81190075 | others - bracelet fixing pipe |
| DZ0040B01 | others - crown and stem gasket |
| 4N004710XL14 | others - dial |
| 4N0061 | others - machine code |
| 2CE047L0BDG | others - minute hand |
| 1CE030L2BDG | others - hour hand |