The Seiko 5S21-8A19 is a watch model based on the 5S21 movement.
Parts List
| 295W36JN01 | crystal - crystal |
| 35M82NA1 | crown - crown |
| 0A2700B01 | case back gasket - gasket |
| 4GF6ZY | band - leather band |
| 5S218A10XS14 | others - dial |
| 5S218A19 | others - case back |
| 5S218A1975 | others - case |
| 5S219 | others - machine code |
| 82811700 | others - case ring |
| A180BS | others - push pin |
| 0351683 | others - winding stem |
| 13SC22TL | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 11T12ALM | others - minute hand |
| 11T12ALH | others - hour hand |
Caliber 5S21
