The Seiko 5Y86-6A09 is a watch model based on the 5Y86 movement.
Parts List
| 280W56GN | crystal |
| 280W56GN00 | crystal |
| 8M40A0NNG1 | crown - crown |
| 8M40A0NN | crown |
| 0A2800B01 | case back gasket |
| 86570560 | crystal gasket - plastic gasket for crystal |
| 86178450 | bezel gasket - plastic gasket for bezel |
| G1506L | band |
| G1506L-LKG | band - link |
| G1506L-PB1 | clasp - parts for buckle/clasp |
| G1506L-BK1S | clasp - clasp |
| 04EB8AG | hand - small hand (6h) |
| 2AD120AMBAA | others - minute hand |
| 5Y861 | others - machine code |
| 5Y866A09 | others - case back |
| 5Y866A0998 | others - case |
| 5Y866A28X919 | others - dial |
| 82280621 | others - bezel |
| A180BS | others - push pin |
| 82728220 | others - case ring |
| 0354530 | others - winding stem |
| AD006BA1 | others - crown gasket |
| 12SC38TG | others - second hand |
| AD006BA12 | others - crown gasket |
| 12C16AGM | others - minute hand |
| 12C16AGH | others - hour hand |
Caliber 5Y86





Other models with the same movement
| 5Y86-0AA0 |
| 5Y86-0AB0 |