The Seiko 5M45-6A90 is a watch model based on the 5M45 movement.
Parts List
| 300P14SN02 | crystal - crystal |
| 1E60B8SNW1 | crown - crown |
| 86400309 | crystal gasket - crystal fixing ring |
| EP296BAA2 | crystal gasket - crystal gasket |
| 80608909 | pusher - button |
| D160EZ | band - band |
| 1AX077F0BEW | others - hour hand |
| 4BX082F0BAY | others - sub hand |
| 2AX110F4BEE | others - minute hand |
| 3AX125F8AEK | others - second hand |
| EB0100B01 | others - button gasket |
| 83200273 | others - button spring clip |
| 0351651 | others - winding stem |
| 0C2600B01 | others - gasket |
| 0G345BA12 | others - rotating bezel gasket |
| 5M456A90W3A | others - case |
| 86521524 | others - decorative plate |
| 86312625 | others - rotating bezel |
| 0866629 | others - holding ring for dial |
| 0878922 | others - date dial |
| 5M456B00XB1Z | others - dial |
| 5M457 | others - machine code |
| 81331629 | others - click spring |
| 81504384 | others - screw |
| 84328265 | others - dial ring |
| 86390149 | others - holding ring for gasket |
| 86390185 | others - holding ring for gasket |
| C200FS | others - push pin |
| 0A0150B0A | others - crown and stem gasket |
| 89995390 | others - pusher spacer |
Caliber 5M45
Other models with the same movement
| 5M45-5A00 |
| 5M45-5A0A |
| 5M45-5A10 |
| 5M45-6A00 |
| 5M45-6A01 |
| 5M45-6A10 |
| 5M45-6A20 |
| 5M45-6A30 |
| 5M45-6A40 |
| 5M45-6A50 |
| 5M45-6A60 |
| 5M45-6A70 |
| 5M45-6A80 |