The Seiko 6309-603C is a watch model based on the 6309 movement.
Parts List
| SA1W16GN00 | crystal |
| 40M58NS | crown |
| 40M58NS1 | crown - crown |
| FH2980B01 | case back gasket - case back gasket |
| 86178790 | crystal gasket - plastic gasket for crystal |
| Z387S | band - metal band |
| 10BA0MJH | hand - hour hand |
| 10BA0MJM | hand - minute hand |
| 6309603C61 | others - case |
| 6309603L3YL2 | others - dial |
| 6309603M3YL2 | others - dial |
| 63099 | others - machine code |
| 83020918 | others - dial ring |
| A200CS | others - push pin |
| 0354601 | others - winding stem |
| 0801602 | others - date dial |
| 0884931 | others - holding ring for dial |
| DJ0060B01 | others - crown gasket |
| 13SB11NG | others - second hand |
Caliber 6309
