The Seiko 5Y66-0AC0 is a watch model based on the 5Y66 movement.
Parts List
| RE1AC4JN02 | crystal - crystal (inorganic) |
| 8K45C8SNW1 | crown - crown (3h) |
| 8K45C8SNG2 | crown - crown (3h) |
| 0F310BA1S | case back gasket - case back gasket |
| 4KS5ZB | band - leather band |
| DG22JB | band - leather band |
| 4KS7KB | band - band |
| 4KS5JB | band - band |
| 3AH045F0AAH | others - sub hand |
| 3AH045F0AAF | others - small hand (9h) |
| 3AA125F1ANG | others - second hand |
| 3AA125F1ANS | others - second hand |
| 1AE075LABDG | others - hour hand |
| 1AE075LABDS | others - hour hand |
| 3BA030F0BNG | others - sub hand |
| 3AA035F0ANG | others - small hand(12h) |
| 3AA035F0ANS | others - sub hand |
| 3BA030F0BNS | others - small hand (9h) |
| 2BE110L0BDG | others - minute hand |
| 2BE110L0BDS | others - minute hand |
| 5Y660AC001A | others - case |
| 5Y660AC002A | others - case |
| 5Y660AC002C | others - case |
| 5Y660AC003A | others - case |
| 5Y660AC003C | others - case |
| 82770040 | others - case ring |
| 5Y660AC0 | others - case back |
| 5Y660AC002B | others - case |
| 5Y660AC0X913 | others - dial |
| 5Y660AC0XS13 | others - dial |
| 5Y660AC0XS24 | others - dial |
| 5Y660AC4X913 | others - dial |
| 5Y660AC4XS13 | others - dial |
| 5Y660AC8X913 | others - dial |
| 5Y660AC8XS13 | others - dial |
| 5Y660AC8XS24 | others - dial |
| 5Y661 | others - machine code |
| S220CS | others - push pin |
| 0351892 | others - winding stem |
| AD006BAD1 | others - crown and stem gasket |
| 5Y660AC001B | others - case |
| 5Y660AC003B | others - case |