The Seiko 5Y66-0AA0 is a watch model based on the 5Y66 movement.
Parts List
| 310P02SN02 | crystal - crystal (sapphire) |
| 8K40ZNSNGA | crown - crown (3h) |
| 8K40ZNSNWA | crown - crown (3h) |
| FE318BAD2 | case back gasket - case back gasket |
| 86179152 | crystal gasket - plastic gasket for crystal |
| 86565100 | crystal gasket - plastic gasket for crystal |
| 86581640 | bezel gasket - plastic gasket for bezel |
| D3B8JG | band - metal band |
| D3B8LG | band - metal band |
| 34W1XG-LK | band - link |
| 34W1ZG-LK | band - link |
| 34W1ZG | band - band |
| 34W1XG | band - band |
| D3B8JG-LK00 | band - link |
| D3B8LG-LK00 | band - link |
| D3B8JG-BK00 | clasp - clasp |
| D3B8JG-BKPC | clasp - parts for buckle/clasp |
| D3B8LG-BK00 | clasp - clasp |
| D3B8LG-BKPC | clasp - parts for buckle/clasp |
| 34W1XG-BK | clasp - buckle |
| 34W1ZG-BK | clasp - buckle |
| 1AC082FBBNS | others - hour hand |
| 2AC120FABN1 | others - minute hand |
| 3BA042S0BCW | others - small hand (9h) |
| 1AC082FBBNG | others - hour hand |
| 2AC120FABNG | others - minute hand |
| 3BA042S0BCB | others - small hand (9h) |
| 3BA035FMBAH | others - sub hand |
| 3BA035FMBAB | others - sub hand |
| 3AA125F0ANG | others - second hand |
| 3AA125F0ANS | others - second hand |
| 5Y660AA001C | others - case |
| 5Y660AA002C | others - case |
| 5Y660AA002B | others - case |
| 85938389 | others - bezel |
| 5Y660AA8X913 | others - dial |
| 5Y660AA8XS14 | others - dial |
| 5Y660AG4X913 | others - dial |
| 5Y660AG4XS14 | others - dial |
| 5Y661 | others - machine code |
| 34W1ZG-EP | others - endpiece |
| 34W1XG-EP | others - endpiece |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 82833380 | others - case ring |
| 5Y660AA0 | others - case back |
| 5Y660AA001B | others - case |
| 85938384 | others - bezel |
| D3B8LG-BKPN | others - pin for buckle/clasp |
| D3B8LG-EP00 | others - endpiece |
| D3B8JG-BKPN | others - pin for buckle/clasp |
| D3B8JG-EP00 | others - endpiece |
| D3B8LG-LKPN | others - pin for link |
| S190BS | others - push pin |
| D3B8JG-LKPN | others - pin for link |