The Seiko 5Y66-0AN0 is a watch model based on the 5Y66 movement.
Parts List
| K00AN4JN02 | crystal - crystal (inorganic) |
| 8K50BZSNN1 | crown - crown (3h) |
| 8K50BZSZW1 | crown - crown (3h) |
| 0F290BAAS | case back gasket - case back gasket |
| HA091JM | band - metal band |
| HA091JMLK | band - link |
| HA092MM | band - metal band |
| HA092MMLK | band - link |
| 1BA087L0BDS | hand - hour hand |
| 2BA130L0BDS | hand - minute hand |
| 3BA030F0BNS | others - small hand (9h) |
| 3BA032FMBNS | others - small hand (9h) |
| 3AA135F1ANS | others - hand |
| 3BA042F4BNS | others - small hand(12h) |
| 81606809 | others - bracelet fixing pin |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 81180249 | others - bracelet fixing pipe |
| 81181879 | others - bracelet fixing pipe |
| 81613799 | others - bracelet fixing pin |
| 5Y660AN0 | others - case back |
| 5Y660AN001C | others - case |
| 5Y660AN002C | others - case |
| 5Y660AV4XN13 | others - dial |
| 5Y660AV4XS13 | others - dial |
| 5Y660AV4XY13 | others - dial |
| 5Y661 | others - machine code |
| 82771440 | others - case ring |
| 84383844 | others - dial ring(set) |