The Seiko 8123-8000 is a watch model based on the 8123 movement.
Parts List
| 300WE4GN00 | crystal |
| 35M82NA1 | crown - crown |
| 35M82NS1 | crown - crown |
| 8656 6060 | case back gasket - case back gasket |
| 86400142 | crystal gasket - crystal fixing ring |
| 86566060 | bezel gasket - plastic gasket for bezel |
| B1019S | band - metal band |
| A180BS | others - push pin |
| 0354765 | others - winding stem |
| 0801622 | others - date dial |
| 8123800061 | others - case |
| 81238030XS19 | others - dial |
| 81239 | others - machine code |
| 82331709 | others - bezel |
| 13SC04ES | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 13C16ASM | others - minute hand |
| 13C16ASH | others - hour hand |
Caliber 8123
