The Seiko 9921-5010 is a watch model based on the 9921 movement.
Parts List
| ES4N10GN00 | crystal |
| 35M68NS1 | crown - crown |
| 35M68NA1 | crown - crown |
| 0A2800N01 | case back gasket - case back gasket |
| 0A2800N | case back gasket |
| LK14B | band - band |
| LK13B | band - band |
| 11C14CGH | others - hour hand |
| 11C14CGM | others - minute hand |
| 11C48DGM | others - minute hand |
| 11C24CGH | others - hour hand |
| 11C48CGM | others - minute hand |
| 11C14DGH | others - hour hand |
| 11C14DGM | others - minute hand |
| 11C24DGH | others - hour hand |
| 99211 | others - machine code |
| 99215010XB14 | others - dial |
| 99215010XG18 | others - dial |
| 99215020XB12 | others - dial |
| 99215020XS19 | others - dial |
| A180BS | others - push pin |
| 0354781 | others - winding stem |
| DB0060B01 | others - crown and stem gasket |
| 82701160 | others - case ring |
| 9921501025 | others - case |
| 13SC04A1 | others - second hand |
| 13SC04A2 | others - second hand |
Caliber 9921



Other models with the same movement
| 9921-5000 |
| 9921-7000 |