The Seiko 2Y00-5540 is a watch model based on the 2Y00 movement.
Parts List
| BA3W13JM | crystal |
| BA3W13JM01 | crystal |
| 32M61NN1 | crown |
| 0F150BAA | case back gasket |
| 0F150BAA5 | case back gasket - case back gasket |
| DZ0040B0 | case back gasket |
| G5125C | band - metal band |
| G5125C-LKG | band - link |
| G5125C-BK4S | clasp - clasp |
| 2CC060A1BNG | others - minute hand |
| 1CC040A1BNG | others - hour hand |
| A110BS | others - push pin (for mb) |
| 2Y002070XS19 | others - dial |
| 2Y005540 | others - case back |
| 2Y0055407H | others - case |
| 2Y0065 | others - machine code |
| 82831690 | others - case ring |
| 06Y37NGH | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 06Y37NGM | others - minute hand |
Caliber 2Y00
