The Seiko 2F70-5491 is a watch model based on the 2F70 movement.
Parts List
| ESXN03SE10 | crystal |
| 22N27NS5 | crown |
| 0C205NA11 | case back gasket |
| HB14A | band - metal band |
| HB14A-LKG | band - link |
| HB14A-PB1 | clasp - parts for buckle/clasp |
| HB14A-BK7G | clasp - clasp |
| HB14A-EP2 | others - endpiece |
| DZ0040B01 | others - crown and stem gasket |
| 07M27JGH | others - hour hand |
| 07M27JGM | others - minute hand |