The Seiko 2Y00-0100 is a watch model based on the 2Y00 movement.
Parts List
| 200A02JN02 | crystal - crystal |
| 200N08GN00 | crystal |
| 200N75JN00 | crystal |
| 35MF7NN1 | crown |
| 0G1890B02 | case back gasket - case back gasket |
| 0G1890B0 | case back gasket |
| DZ0040B0 | case back gasket |
| BHJ58G | band - leather band |
| ZHJ26G | band - leather band |
| 08Y17DGH | hand - hour hand |
| A120BS | others - push pin (for lb) |
| 2Y000100 | others - case back |
| 2Y00010025 | others - case |
| 2Y000920XS14 | others - dial |
| 2Y0065 | others - machine code |
| 82822970 | others - case ring |
| DZ0040B01 | others - crown and stem gasket |
| 08Y23NGM | others - minute hand |
Caliber 2Y00
