The Seiko 2P20-5680 is a watch model based on the 2P20 movement.
Parts List
| SAFN97JN | crystal |
| SAFN97JN01 | crystal |
| 30N63NG1 | crown |
| 30N63NA1 | crown - crown |
| 30ND3NA1 | crown - crown |
| 30ND3NH1 | crown - crown |
| 0G1890B02 | case back gasket - case back gasket |
| AC004BA1 | case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 0G1890B0 | case back gasket |
| Z5221G | band - metal band |
| Z5221G-LKG | band - link |
| Z5221H | band - metal band |
| Z5221H-LKG | band - link |
| Z5221H-PB1 | clasp - parts for buckle/clasp |
| Z5221H-BK4G | clasp - clasp |
| Z5221G-PB1 | clasp - parts for buckle/clasp |
| Z5221G-BK4G | clasp - clasp |
| 05Y01DGH | others - hour hand |
| 82810750 | others - case ring |
| B090AS | others - push pin |
| 2P201280XB14 | others - dial |
| 2P201280XG14 | others - dial |
| 2P205680 | others - case back |
| 2P20568025 | others - case |
| 2P205680HE | others - case |
| 05Y01DGM | others - minute hand |
Caliber 2P20
