The Seiko 4205-0230 is a watch model based on the 4205 movement.
Parts List
| 270A25L20A | crystal - crystal |
| 9M50A5SNG0 | crown - crown |
| 9M50A5SNW0 | crown - crown |
| 0F240BA1S | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| FC40AB | band - band |
| FC40BB | band - band |
| 3AX130F7ANG | others - second hand |
| 3AX130F7ANS | others - second hand |
| 1AH065A1BNG | others - hour hand |
| 1AH065A1BNS | others - hour hand (upper) |
| 2AH110A1BNG | others - minute hand |
| 2AH110A1BNS | others - minute hand |
| 0354427 | others - winding stem |
| 0884430 | others - holding ring for dial |
| 42050320XS14 | others - dial |
| 42050320XS23 | others - dial |
| 420534 | others - machine code |
| T190BS | others - push pin |
| 4205023079A | others - case |
| 82863950 | others - case ring |
| 42050230 | others - case back |
| 420502307SA | others - case |
Caliber 4205
