The Seiko 5Y22-8A20 is a watch model based on the 5Y22 movement.
Parts List
| 290P01LN | crystal |
| 290P01LN03 | crystal - crystal (inorganic) |
| 290W69LN | crystal |
| 290W69LN01 | crystal |
| 35ME9NA1 | crown |
| 35ME9NS1 | crown |
| 35ME9NN1 | crown |
| FE298BA13 | case back gasket - case back gasket |
| FE298BA1 | case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| DH0100B0 | case back gasket |
| 86582210 | crystal gasket |
| 86582215 | crystal gasket |
| 86170500 | bezel gasket - plastic gasket for bezel |
| B1610J | band - metal band |
| B1610K | band - metal band |
| B1610K-LKG | band - link |
| B1610L | band - metal band |
| B1610L-LKG | band - link |
| B1610L-PB1 | clasp - parts for buckle/clasp |
| B1610L-BK1S | clasp - clasp |
| B1610K-PB1 | clasp - parts for buckle/clasp |
| B1610K-BK1G | clasp - clasp |
| 1AB085LBBBG | hand - hour hand |
| 2AB120LEBBG | hand - minute hand |
| 3AA125F3A6S | others - second hand |
| 3AA125F3ANG | others - second hand |
| 12SC23T2 | others - second hand |
| 5Y228A20 | others - case back |
| 5Y228A2061 | others - case |
| 5Y228A2075 | others - case |
| 5Y228A2098 | others - case |
| 5Y228A60XG14 | others - dial |
| 5Y228A60XS14 | others - dial |
| 5Y228B10XS13 | others - dial |
| 82341271 | others - bezel |
| 82341279 | others - bezel |
| 82732990 | others - case ring |
| A170BS | others - push pin |
| 12SC23T1 | others - second hand |
| 12P39BSM | others - minute hand |
| 12P39BSH | others - hour hand |
| 11P45BGM | others - minute hand |
| 12P57BGM | others - minute hand |
| 11P45BGH | others - hour hand |
| 12P57BGH | others - hour hand |