The Seiko VJ21-K981 is a watch model based on the VJ21 movement.
Parts List
| FCSK995-PKB | case back gasket - gasket |
| FCSK996-PKB | case back gasket - gasket |
| FCSK997-PKB | case back gasket - gasket |
| FCSK998-PKB | case back gasket - gasket |
| FCSK999-PKB | case back gasket - gasket |
| KP006X | band - leather band |
| KP007X | band - leather band |
| KP008X | band - leather band |
| KP009X | band - leather band |
| KP010X | band - leather band |
| FCSK999-PP1 | others - push pin |
| FCSK998-PP1 | others - push pin |
| FCSK997-PP1 | others - push pin |
| FCSK996-PP1 | others - push pin |
| FCSK995-PP1 | others - push pin |