The Seiko 2Y01-5090 is a watch model based on the 2Y01 movement.
Parts List
| ESDW07LN | crystal |
| ESDW07LN01 | crystal |
| 32M65NA1 | crown |
| 0F170BA1 | case back gasket |
| 0F170BA15 | case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 86590210 | crystal gasket - plastic gasket for crystal |
| ZHA09G | band - leather band |
| ZHJ21G | band - leather band |
| 06T05DCH | hand - hour hand |
| 06T05DCM | hand - minute hand |
| 1BE040L0BDG | others - hour hand |
| 07SC25NG | others - second hand |
| 3BA075F1BNG | others - second hand |
| A120BS | others - push pin (for lb) |
| 2Y010070XG14 | others - dial |
| 2Y010080XB14 | others - dial |
| 2Y015090 | others - case back |
| 2Y01509075 | others - case |
| 2Y0165 | others - machine code |
| 82822050 | others - case ring |
| 06SC11NG | others - second hand |
| 06T01DGM | others - minute hand |
| 06T01DGH | others - hour hand |
Caliber 2Y01
