The Seiko 5Y66-0AR0 is a watch model based on the 5Y66 movement.
Parts List
| 320PX5JN02 | crystal - crystal (inorganic) |
| 8K65ATSNW3 | crown - crown (3h) |
| 8K65ATSNZ1 | crown - crown (3h) |
| FE338BAD4 | case back gasket - case back gasket |
| 86566880 | crystal gasket - plastic gasket for crystal |
| 86566881 | crystal gasket - plastic gasket for crystal |
| 86582600 | bezel gasket - plastic gasket for bezel |
| 4A0D1JM | band - metal band |
| 4A0D1JM-LK | band - link |
| 4A0D1MM | band - metal band |
| 4A0D1MM-LK | band - link |
| 4A0D1PM | band - metal band |
| 4A0D1PM-LK | band - link |
| 4A232JR | band - resin band |
| 4A232PR | band - resin band |
| 4A5P1JR | band - resin band |
| 4A5P1PR | band - resin band |
| AB1KWSA00E | clasp - buckle |
| AB1KWSA01B | clasp - buckle |
| AB1KWSE00B | clasp - buckle |
| AB1KWSE00E | clasp - buckle |
| 4A0D1PM-PB | clasp - parts for buckle/clasp |
| 4A0D1PM-BK | clasp - clasp |
| 4A0D1MM-PB | clasp - parts for buckle/clasp |
| 4A0D1MM-BK | clasp - clasp |
| 4A0D1JM-PB | clasp - parts for buckle/clasp |
| 4A0D1JM-BK | clasp - clasp |
| 1AE085L0BDZ | hand - hour hand |
| 2BE125L0BDZ | hand - minute hand |
| 3AA040F0AZT | hand - sub hand (10h) |
| 3BG032F0BAR | hand - small hand(3h) |
| 3BG032F0BAY | hand - small hand(3h) |
| 3BG037F0BAR | hand - small hand (6h) |
| 3BG037F0BAY | hand - small hand (6h) |
| 1AE085L0BDS | others - hour hand |
| 2BE125L0BDS | others - minute hand |
| 3AA125F0AAX | others - second hand |
| 3AA125F0AZY | others - second hand |
| 3AA040F0ANS | others - small hand (6h) |
| AD006BAD1 | others - crown and stem gasket |
| 82844700 | others - case ring |
| 4A0D1JM-EP | others - endpiece |
| 4A0D1MM-EP | others - endpiece |
| 4A0D1PM-EP | others - endpiece |
| 0351892 | others - winding stem |
| S260CS | others - push pin |
| 5Y660AR0 | others - case back |
| 5Y660AR001A | others - case |
| 5Y660AR001D | others - case |
| 5Y660AR002A | others - case |
| 5Y660AR003A | others - case |
| 5Y660AR004A | others - case |
| 5Y660AR004D | others - case |
| 5Y660AY0X913 | others - dial |
| 5Y660AY0XS1Z | others - dial |
| 5Y660AY8X913 | others - dial |
| 5Y660AZ0X91Z | others - dial |
| 5Y660AZ8X91Z | others - dial |
| 5Y661 | others - machine code |
| 87334464 | others - bezel |
| 87334465 | others - bezel |
| 87334469 | others - bezel |