The Seiko 2Y00-0270 is a watch model based on the 2Y00 movement.
Parts List
| 180A02JN02 | crystal - crystal |
| 170N25JN01 | crystal |
| 170A02JN02 | crystal - crystal |
| 30M57NA1 | crown - crown |
| 30M57NN1 | crown - crown |
| AC004BA1 | case back gasket |
| 0F150BAA5 | case back gasket - case back gasket |
| 0H1650B01 | case back gasket - case back gasket |
| 0F150BAA | case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| B5495G-LKG | band - link |
| B5495C | band - metal band |
| B5495C-LKG | band - link |
| B5495G | band - metal band |
| B5495G-BK4G | clasp - clasp |
| B5495C-BK4G | clasp - clasp |
| 06Y41DGH | hand - hour hand |
| 06Y41DGM | hand - minute hand |
| 2Y000270 | others - case back |
| 2Y00027075 | others - case |
| 2Y0002707L | others - case |
| 2Y001590XS14 | others - dial |
| 2Y001890XS14 | others - dial |
| 2Y0065 | others - machine code |
| 82821550 | others - case ring |
| 1CC045A1BNG | others - hour hand |
| 81606439 | others - bracelet fixing pin |
| 81181459 | others - bracelet fixing pipe |
| 81610279 | others - bracelet fixing pin |
| 06Y39DGM | others - minute hand |
| 06Y39NGH | others - hour hand |
Caliber 2Y00
