The Seiko 6M91-8001 is a watch model based on the 6M91 movement.
Parts List
| 290P03HN03 | crystal - crystal |
| 9M45B7SNG0 | crown |
| 9M45B7SN | crown |
| 0F280BAA1 | case back gasket - case back gasket |
| 86580835 | crystal gasket - plastic gasket for crystal |
| 86592810 | bezel gasket - plastic gasket for bezel |
| 80631431 | pusher |
| AD006BAA1 | pusher - button gasket |
| Z1673W | band |
| Z1673K-LKG | band - link |
| Z1673W-LKG | band - link |
| Z1673K | band |
| Z1673W-PB1 | clasp - parts for buckle/clasp |
| Z1673K-PB1 | clasp - parts for buckle/clasp |
| Z1673W-BK2S | clasp - clasp |
| Z1673K-BK2G | clasp - clasp |
| 04PE03NG | hand - sub hand |
| 2DF030AABNG | others - sub hand |
| 0801455 | others - date dial |
| 6M9120 | others - machine code |
| 6M918001 | others - case back |
| 6M91800175 | others - case |
| 6M918001SF | others - case |
| 6M918011XS14 | others - dial |
| 82282371 | others - bezel |
| 86510049 | others - conducting plate |
| 81180249 | others - bracelet fixing pipe |
| 81604939 | others - bracelet fixing pin |
| 82853970 | others - case ring |
| 83200273 | others - button spring clip |
| 81351630 | others - button spring |
| DE010BAA1 | others - crown and stem gasket |
| 0351169 | others - winding stem |
| 2AX110AJBAA | others - minute hand |
| 1AH075AABAA | others - hour hand |
Other models with the same movement