The Seiko Y136-6C20 is a watch model based on the Y136 movement.
Parts List
| 280A03LN03 | crystal - crystal |
| 8M35A0SNG2 | crown - crown |
| 8M35A0BNG1 | crown - crown |
| 8M35A0SNW1 | crown - crown |
| 0F250BA1S | case back gasket - case back gasket |
| 0F250NA1S | case back gasket |
| FBB5BW | band - band |
| FBB4AW | band - band |
| FBB4BW | band - band |
| 2AF115L2BNG | others - minute hand |
| 1AF080L0BAF | others - hour hand |
| 2AF115L2BAA | others - minute hand |
| 2AF115L2BAC | others - minute hand |
| 3AA125F6ANG | others - hand |
| 0354786 | others - winding stem |
| 82735860 | others - case ring |
| Y1366C2062 | others - case |
| Y1366C2062Z | others - case |
| Y1366C207S | others - case |
| Y1366C207SZ | others - case |
| A180BS | others - push pin |
| AD006BA12 | others - crown gasket |
| 3AA125F6ANS | others - second hand |
| 1AF080L0BAE | others - hour hand |
| 1AF080L0BNG | others - hour hand |