The Seiko 2P20-5E79 is a watch model based on the 2P20 movement.
Parts List
| ESGN20JN01 | crystal |
| ESGN20JN | crystal |
| 30M98NA1 | crown |
| 0H2100N01 | case back gasket - case back gasket |
| 0H2100N0 | case back gasket |
| DZ0041B0 | case back gasket |
| Z1311G | band - metal band |
| Z1311G-LKG | band - link |
| Z1311G-PB1 | clasp - parts for buckle/clasp |
| Z1311G-BK4G | clasp - clasp |
| 07Y08DGM | hand - minute hand |
| 2P200H20XG14 | others - dial |
| 2P205E7925 | others - case |
| 2P209 | others - machine code |
| 82801920 | others - case ring |
| 0351236 | others - winding stem |
| 07Y12DGH | others - hour hand |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| DZ0041B01 | others - crown and stem gasket |
Caliber 2P20
