The Seiko 2Y00-5A80 is a watch model based on the 2Y00 movement.
Parts List
| ESJN44JN | crystal |
| ESJN44JN01 | crystal |
| 30M98NA1 | crown |
| 0H1610N01 | case back gasket |
| DZ0041B0 | case back gasket |
| 0H1610N0 | case back gasket |
| ZGA11G | band - leather band |
| ZGJ16G | band - leather band |
| ZGJ17G | band - leather band |
| ZGZ09G | band - leather band |
| 0351236 | others - winding stem |
| 2Y000F30XB14 | others - dial |
| 2Y000F30XG14 | others - dial |
| 2Y000F40XN14 | others - dial |
| 2Y000F40XS14 | others - dial |
| 2Y005A80 | others - case back |
| 2Y005A8025 | others - case |
| 2Y005A802N | others - case |
| 2Y009 | others - machine code |
| 82802800 | others - case ring |
| A110AS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |
| 07Y08DAM | others - minute hand |
| 07Y08DAH | others - hour hand |
Caliber 2Y00
