The Seiko 2C20-0540 is a watch model based on the 2C20 movement.
Parts List
| 155N23JN00 | crystal - crystal |
| 30NA7NA1 | crown - crown |
| 0G1600B01 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| MK62B | band - band |
| MK63B | band - band |
| 06R01DGH | others - hour hand |
| 06R01DGM | others - minute hand |
| 2C20054025 | others - case |
| 2C200540HE | others - case |
| 0351225 | others - winding stem |
| 82706570 | others - case ring |
| 2C2010 | others - machine code |
| 2C203200XB14 | others - dial |
| 2C203200XG14 | others - dial |
Caliber 2C20
