The Seiko 8123-5089 is a watch model based on the 8123 movement.
Parts List
| SA4W74GM01 | crystal |
| 35M82NA1 | crown - crown |
| 86173340 | case back gasket - plastic gasket for crystal |
| 86565620 | crystal gasket - plastic gasket for crystal |
| G1027C | band - metal band |
| G1027C-LKG | band - link |
| Z1080C | band - metal band |
| Z1080C-LKG | band - link |
| Z1080C-PB1 | clasp - parts for buckle/clasp |
| Z1080C-BK1S | clasp - clasp |
| G1027C-PB1 | clasp - parts for buckle/clasp |
| G1027C-BK1S | clasp - clasp |
| 10C42BGH | hand - hour hand |
| 10C56BGM | hand - minute hand |
| 8123508961 | others - case |
| 8123511LXN14 | others - dial |
| 81239 | others - machine code |
| 84303283 | others - dial ring (lower) |
| 84303303 | others - dial ring (upper) |
| 0354765 | others - winding stem |
| 82706380 | others - case ring |
| 0801622 | others - date dial |
| 0884967 | others - holding ring for dial |
| A200BS | others - push pin |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
Caliber 8123
