The Seiko 2Y00-0A20 is a watch model based on the 2Y00 movement.
Parts List
| 250N22LN01 | crystal - crystal (inorganic) |
| 30M98NS1 | crown - crown |
| 0H2300N01 | case back gasket |
| 0H2300N0 | case back gasket |
| XMK01D | band |
| XMK04D | band - band |
| MK02D | band - leather band |
| MK03D | band - leather band |
| MK04D | band - leather band |
| WZA02G | band - band |
| XMK02D | band |
| XMK03D | band |
| 08Y14NGM | others - minute hand |
| 08Y14NGH | others - hour hand |
| 2Y000A2012 | others - case |
| 82811760 | others - case ring |
| 2Y000A20 | others - case back |
| WZJ04G | others - other band |
| WZJ05G | others - other band |
| WZZ03G | others - other band |
| 2Y000H30XS12 | others - dial |
| 2Y000H50XS12 | others - dial |
| 2Y009 | others - machine code |
| 0351238 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
Caliber 2Y00
