The Seiko 5Y66-0AX0 is a watch model based on the 5Y66 movement.
Parts List
| 290AC2LB0B | crystal - crystal (inorganic) |
| 8K45AVSNN1 | crown - crown (3h) |
| 0F260BAAS | case back gasket - case back gasket |
| F2L7NB | band - metal band |
| F2L7NBLK | band - link |
| 81351349 | band - link fixing pipe (band) |
| 81613809 | band - link fixing pin (band) 2 |
| H01N11SF01B | clasp - clasp |
| 1BE080L0BDZ | hand - hour hand |
| 2BE120L2BDZ | hand - minute hand |
| 3AA125F0AZ9 | hand - second hand |
| 3BG032F0BNZ | hand - small hand (6h) |
| 3BX042LABDP | hand - small hand (9h) |
| 5Y660AX0 | others - case back |
| 5Y660AX001C | others - case |
| 5Y660BJ8XY1Z | others - dial |
| 5Y661 | others - machine code |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 82834640 | others - case ring |
| S160BS | others - push pin |
| Z150ZS | others - push pin (clasp and band) |