The Seiko 7N00-7B20 is a watch model based on the 7N00 movement.
Parts List
| 290A02SN02 | crystal - crystal (sapphire) |
| 290A02SN | crystal |
| 8M30L4SNGA | crown - crown |
| 8M30L4SN | crown |
| 0F280NA1S | case back gasket - case back gasket |
| 0F280NA1 | case back gasket |
| LOCAL | band - band |
| 2A30ZY | band - leather band |
| 2AD115A2BCL | others - minute hand |
| 1AD080A0BAD | others - hour hand |
| 0351890 | others - winding stem |
| 7N007B2076 | others - case |
| 82833040 | others - case ring |
| 7N007B20 | others - case back |
| 7N000 | others - machine code |
| 7N007D80XS19 | others - dial |
| A180BS | others - push pin |
| AD006BA12 | others - crown gasket |