The Seiko 2Y01-5020 is a watch model based on the 2Y01 movement.
Parts List
| ET5N15JN01 | crystal |
| ET5N15JN | crystal |
| 32M61NS1 | crown |
| 32M61NN1 | crown |
| 0G1700B01 | case back gasket |
| 0G1700B0 | case back gasket |
| M5062G | band |
| M5062S | band |
| M5062G-BK3G | clasp - clasp |
| 2BA050A1BNG | others - minute hand |
| 1BA037A1BNS | others - hour hand |
| 2BA055A1BNG | others - minute hand |
| 2BA055A1BNS | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| DZ0040B01 | others - crown and stem gasket |
| 1BA037A1BNG | others - hour hand |
| 0351236 | others - winding stem |
| 2Y010190XB14 | others - dial |
| 2Y010190XG14 | others - dial |
| 2Y015020 | others - case back |
| 2Y01502025 | others - case |
| 2Y0165 | others - machine code |
| 82820610 | others - case ring |
| B090AS | others - push pin |
| 07SC04NG | others - second hand |
| 07SC04NS | others - second hand |
| 05T11NGM | others - minute hand |
| 05T11NSM | others - minute hand |
| 05T05DGH | others - hour hand |
| 05T05NSH | others - hour hand |
Caliber 2Y01
