The Seiko 8123-7090 is a watch model based on the 8123 movement.
Parts List
| 285W16GA00 | crystal |
| 285W16GN00 | crystal - crystal (inorganic) |
| 45E38NS1 | crown |
| FH2882B0A | case back gasket - case back gasket |
| 86567320 | crystal gasket - plastic gasket for crystal |
| 86178600 | bezel gasket - plastic gasket for bezel |
| LA23A | band - band |
| 12C58KSH | others - hour hand |
| 12C58KSM | others - minute hand |
| 12C58KKM | others - minute hand |
| 0801622 | others - date dial |
| 0884973 | others - holding ring for dial |
| 8123713LXB1L | others - dial |
| 8123713LXS17 | others - dial |
| 81239 | others - machine code |
| A190CS | others - push pin |
| 8123709061 | others - case |
| 82332929 | others - bezel |
| 82706380 | others - case ring |
| 12C58KKH | others - hour hand |
| 0A0150B0A | others - crown and stem gasket |
| 13SC04ES | others - second hand |
| 89995390 | others - pusher spacer |
Caliber 8123
