The Seiko 6309-8740 is a watch model based on the 6309 movement.
Parts List
| 300WC2GN00 | crystal - crystal |
| 40M58NA1 | crown - crown |
| 40M58NS1 | crown - crown |
| FH2980B01 | case back gasket - case back gasket |
| 86178611 | crystal gasket - plastic gasket for crystal |
| 86179410 | bezel gasket - plastic gasket for bezel |
| C265S | band - metal band |
| 10B80MKH | hand - hour hand |
| 10B80MKM | hand - minute hand |
| 6309826L339L | others - dial |
| 6309874061 | others - case |
| 63099 | others - machine code |
| 83349709 | others - bezel |
| A180CS | others - push pin |
| 0354601 | others - winding stem |
| 82707380 | others - case ring |
| 0801601 | others - date dial |
| 0884750 | others - holding ring for dial |
| DJ0060B01 | others - crown gasket |
| 13SB11NS | others - second hand |
| 300WC2GN00 | crystal - crystal |
| 40M58NA1 | crown - crown |
| 40M58NS1 | crown - crown |
| FH2980B01 | case back gasket - case back gasket |
| 86178611 | crystal gasket - plastic gasket for crystal |
| 86179410 | bezel gasket - plastic gasket for bezel |
| C265S | band - metal band |
| 10B80MKH | hand - hour hand |
| 10B80MKM | hand - minute hand |
| 6309826L339L | others - dial |
| 6309874061 | others - case |
| 63099 | others - machine code |
| 83349709 | others - bezel |
| A180CS | others - push pin |
| 0354601 | others - winding stem |
| 82707380 | others - case ring |
| 0801601 | others - date dial |
| 0884750 | others - holding ring for dial |
| DJ0060B01 | others - crown gasket |
| 13SB11NS | others - second hand |
Caliber 6309
