The Seiko 7N00-5B20 is a watch model based on the 7N00 movement.
Parts List
| RE2N94GN00 | crystal - crystal |
| RE2N94GN | crystal - crystal |
| 8M30A0NNG7 | crown |
| 8M30A0NNG2 | crown - crown |
| 8M30A0NN | crown |
| 0H2650N01 | case back gasket |
| 0H2650N0 | case back gasket |
| WRJ32K | band - leather band |
| ZRJ10K | band |
| ZRJ10B | band |
| ZRA18B | band |
| ZRA18K | band - band |
| 1AE050LMBDG | others - hour hand |
| 2AA090A0BNG | others - minute hand |
| 2AH090A0BAA | others - minute hand |
| 1AA060A0BNG | others - hour hand |
| 1AH060AABAA | others - hour hand |
| 0351890 | others - winding stem |
| 7N005B2025Z | others - case |
| 82830820 | others - case ring |
| 7N005B20 | others - case back |
| 7N000 | others - machine code |
| 7N005B2025Y | others - case |
| 7N005B78XS19 | others - dial |
| 7N005B88XB14 | others - dial |
| 7N005B88XG14 | others - dial |
| 7N005B98XB15 | others - dial |
| A200BS | others - push pin |
| AD006BA12 | others - crown gasket |
| 2AE075L2BDG | others - minute hand |
| 09P25NGM | others - minute hand |
| 09P25NGH | others - hour hand |
| 09P01AGH | others - hour hand |