The Seiko 2Y00-5A7A is a watch model based on the 2Y00 movement.
Parts List
| ESJN42JM | crystal |
| ESJN42JM01 | crystal |
| 30M98NA1 | crown |
| 0H1860N01 | case back gasket - case back gasket |
| DZ0041B0 | case back gasket |
| BJJ48F | band - leather band |
| BJZ50D | band - leather band |
| BJZ50D-BK7S | clasp - clasp |
| BJJ48F-BK7S | clasp - clasp |
| 06Y16ZAH | hand - hour hand |
| 06Y16ZAM | hand - minute hand |
| A130AS | others - push pin (for lb) |
| 0351236 | others - winding stem |
| 2Y000F20XN14 | others - dial |
| 2Y000F20XY14 | others - dial |
| 2Y005A7A | others - case back |
| 2Y005A7A25 | others - case |
| 2Y009 | others - machine code |
| 82811720 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |
Caliber 2Y00
