The Seiko 4206-056J is a watch model based on the 4206 movement.
Parts List
| 255W35LM02 | crystal - crystal |
| 255W35LM | crystal |
| 255W35L50E | crystal - crystal |
| 40MC5NS1 | crown - crown |
| FE258BA11 | case back gasket - case back gasket |
| DB0055B0 | case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 86580370 | crystal gasket |
| G1405J | band |
| G1413J | band - band |
| 3BA125F1BNG | others - second hand |
| 0351420 | others - winding stem |
| 4206056J61 | others - case |
| 4206056J | others - case back |
| 0801274 | others - date dial |
| 0884282 | others - holding ring for dial |
| 0884431 | others - holding ring for dial |
| 4206205LXB14 | others - dial |
| 4206205LXN14 | others - dial |
| 420654 | others - machine code |
| A160BS | others - push pin |
| 83137250 | others - case ring |
| 09SC31NG | others - second hand |
| 09C13LGM | others - minute hand |
| 09C13LGH | others - hour hand |
Caliber 4206
