The Seiko 5Y66-0AG0 is a watch model based on the 5Y66 movement.
Parts List
| ES0AK8JB0B | crystal - crystal (inorganic) |
| ES0AK8JB0C | crystal - crystal (inorganic) |
| ES0AK8JB0E | crystal - crystal (inorganic) |
| 8K50ZNSNWA | crown - crown (3h) |
| 8K50ZNSNNE | crown - crown (3h) |
| 8K50ZNSNWC | crown - crown (3h) |
| 0F300BAD2 | case back gasket - case back gasket |
| F2S1JE | band - metal band |
| F2S1JE-LK00 | band - link |
| FK56JB | band - leather band |
| FK56KB | band - leather band |
| FK57JB | band - leather band |
| F2S1JE-BK00 | clasp - clasp |
| 1BH085S0BAB | hand - hour hand |
| 1BH085S0BNZ | hand - hour hand |
| 2BH120S0BAB | hand - minute hand |
| 2BH120S0BNZ | hand - minute hand |
| 3BA120FABNG | hand - second hand |
| 3BA120FABNP | hand - second hand |
| 3BE025F0BCB | hand - small hand (9h) |
| 3BE035S0BCB | hand - small hand(6h long) |
| 3BE025F0BDG | others - small hand (9h) |
| 3BE025F0BDZ | others - small hand(3h) |
| 3BE035S0BDZ | others - small hand (6h) |
| 3BA120FABNS | others - second hand |
| 3BE025F0BDS | others - sub hand(8h) |
| 3BE035S0BDS | others - sub hand (10h) |
| 3BE035S0BDG | others - sub hand (10h) |
| 1BH085S0BNG | others - hour hand |
| 2BH120S0BNG | others - minute hand |
| 1BH085S0BNS | others - hour hand |
| 2BH120S0BNS | others - minute hand |
| 82844700 | others - case ring |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| F2S1JE-BKPP | others - spring bar for buckle/clasp |
| F2S1JE-EP00 | others - endpiece |
| 5Y660AG0 | others - case back |
| 5Y660AG001C | others - case |
| 5Y660AG002C | others - case |
| 5Y660AG003C | others - case |
| 5Y660AG004C | others - case |
| 5Y660AG005C | others - case |
| 5Y660AL4X91Z | others - dial |
| 5Y660AL4X92Z | others - dial |
| 5Y660AL4X93Z | others - dial |
| 5Y660AL4X94Z | others - dial |
| 5Y660AL4XN1Z | others - dial |
| 5Y661 | others - machine code |
| 84382184 | others - dial ring(set) |
| 84382185 | others - dial ring(set) |
| 84382186 | others - dial ring(set) |
| S210CS | others - push pin |
| F2S1JE-LKPN | others - pin for link |