The Seiko 2Y01-0A50 is a watch model based on the 2Y01 movement.
Parts List
| 195W40SN01 | crystal |
| 30MF0NA1 | crown |
| 0A1800N01 | case back gasket |
| 81604421 | band - bracelet fixing pin |
| 81604429 | band - bracelet fixing pin |
| HK03C | band - leather band |
| HK04C | band - leather band |
| 10ST04DG | others - second hand |
| 0351236 | others - winding stem |
| 07TF4AAH | others - hour hand |
| 82801760 | others - case ring |
| 2Y010A5075 | others - case |
| 2Y010A5098 | others - case |
| 2Y011B50XS14 | others - dial |
| 2Y011B50XS24 | others - dial |
| 2Y019 | others - machine code |
| 81503081 | others - screw |
| 81503089 | others - screw |
| 07TF4AAM | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |
| 07TF4AGH | others - hour hand |
| 07TF4AGM | others - minute hand |
Caliber 2Y01
