The Seiko 5Y91-6080 is a watch model based on the 5Y91 movement.
Parts List
| 260W48JM01 | crystal |
| 260W48JM | crystal |
| 35MA8NA1 | crown |
| 0A2300B01 | case back gasket |
| G1433G | band |
| B1781G | band - metal band |
| B1781S | band - metal band |
| G1460G | band |
| G1460S | band |
| G1433G-BK5G | clasp - clasp |
| G1460G-BK5G | clasp - clasp |
| B1781G-BK5G | clasp - clasp |
| 0354786 | others - winding stem |
| 5Y916080 | others - case back |
| 5Y91608075 | others - case |
| 5Y91608079 | others - case |
| 5Y916170XB14 | others - dial |
| 5Y916170XG14 | others - dial |
| 5Y916180XB14 | others - dial |
| 5Y916180XG14 | others - dial |
| 5Y916210X914 | others - dial |
| 5Y916210XG14 | others - dial |
| 5Y916210XN14 | others - dial |
| 5Y916230X914 | others - dial |
| 5Y916230X924 | others - dial |
| 5Y916230XG14 | others - dial |
| 5Y919 | others - machine code |
| 82820880 | others - case ring |
| A140BS | others - push pin |
| 10T04NGH | others - hour hand |
| 10T76DAH | others - hour hand |
| 10T54DAM | others - minute hand |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 10T36DAH | others - hour hand |
| 10T76DAM | others - minute hand |
| 10T04NGM | others - minute hand |
Caliber 5Y91
