The Seiko 5Y23-6220 is a watch model based on the 5Y23 movement.
Parts List
| 270W26GN00 | crystal |
| 270W26GN | crystal |
| 35M82NA1 | crown - crown |
| FH2781B0 | case back gasket |
| FH2781B01 | case back gasket |
| 86580140 | crystal gasket |
| 86580141 | crystal gasket - plastic gasket for crystal |
| 86178261 | bezel gasket - plastic gasket for bezel |
| G1480G-LKG | band - link |
| G1480G | band |
| G1480G-PB1 | clasp - parts for buckle/clasp |
| G1480G-BK1G | clasp - clasp |
| A100BS | others - push pin (for mb) |
| 0866554 | others - holding ring for dial |
| 0878524 | others - date dial |
| 0878543 | others - date dial |
| 0878544 | others - date dial |
| 5Y236220 | others - case back |
| 5Y23622075 | others - case |
| 5Y23622075A | others - case |
| 5Y236350X914 | others - dial |
| 5Y236350XB14 | others - dial |
| 5Y236350XG14 | others - dial |
| 5Y239 | others - machine code |
| 82354621 | others - bezel |
| 0351670 | others - winding stem |
| 82800261 | others - case ring |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 11CC4DGM | others - minute hand |
| 11CC4DGH | others - hour hand |