The Seiko Y977-6A40 is a watch model based on the Y977 movement.
Parts List
| 45MR8NW1 | crown |
| 45MS0NH1 | crown - crown |
| 45MS0NW1 | crown - crown |
| 0F240NA1S | case back gasket - case back gasket |
| AL81J | band - band |
| AL80J | band - band |
| 03E64FR | others - (hand(special)) |
| 10C40FBH | others - hour hand |
| 10C40FBM | others - minute hand |
| 11SC50XA | others - second hand |
| 82728960 | others - case ring |
| 0351793 | others - winding stem |
| T160BS | others - push pin |
| Y9776A40N2 | others - case |
| Y9776A40N2A | others - case |
| 0351794 | others - winding stem |
| AD006BA12 | others - crown gasket |
Other models with the same movement