The Seiko 2Y01-0A20 is a watch model based on the 2Y01 movement.
Parts List
| 200W32SV01 | crystal |
| 30MA2NA1 | crown - crown |
| 0A1900B01 | case back gasket - gasket |
| 0351236 | others - winding stem |
| 2Y010A2061 | others - case |
| 2Y011A10XS14 | others - dial |
| 2Y011A20XS14 | others - dial |
| 2Y019 | others - machine code |
| 82820220 | others - case ring |
| A110AS | others - push pin |
| 07T06ALH | others - hour hand |
| 07T16ABM | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |
| 08SC22D1 | others - second hand |
Caliber 2Y01
