The Seiko 2P20-5770 is a watch model based on the 2P20 movement.
Parts List
| ET3N05JM01 | crystal |
| 30ND3NH1 | crown - crown |
| 30N63NG1 | crown |
| 0G2000B02 | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| Z5219H-LKG | band - link |
| Z5219H | band - metal band |
| Z5219H-BK4G | clasp - clasp |
| 07Y31DGH | hand - hour hand |
| 07Y31DGM | hand - minute hand |
| 2P201470XY14 | others - dial |
| 2P205770 | others - case back |
| 2P205770JJ | others - case |
| 81606439 | others - bracelet fixing pin |
| 81604779 | others - bracelet fixing pin |
| 81181919 | others - bracelet fixing pipe |
| 82811050 | others - case ring |
| A140AS | others - push pin |
| ET3N05JM01 | crystal |
| 30ND3NH1 | crown - crown |
| 30N63NG1 | crown |
| 0G2000B02 | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| Z5219H-LKG | band - link |
| Z5219H | band - metal band |
| Z5219H-BK4G | clasp - clasp |
| 07Y31DGH | hand - hour hand |
| 07Y31DGM | hand - minute hand |
| 2P201470XY14 | others - dial |
| 2P205770 | others - case back |
| 2P205770JJ | others - case |
| 81606439 | others - bracelet fixing pin |
| 81604779 | others - bracelet fixing pin |
| 81181919 | others - bracelet fixing pipe |
| 82811050 | others - case ring |
| A140AS | others - push pin |
Caliber 2P20
