The Seiko 5R66-0AD0 is a watch model based on the 5R66 movement.
Parts List
| 335W12SB0A | crystal - crystal (sapphire) |
| 1E70A4SNW1 | crown - crown(screw down) |
| 89924809 | crown - crown pivot |
| EK3310B04 | case back gasket - crystal gasket |
| 86109880 | crystal gasket - crystal fixing ring |
| 0J336BA41 | bezel gasket - gasket |
| D302DG | band - band |
| D302DG-LK00 | band - link |
| D302DG-BK00 | clasp - clasp |
| 1ZA095F0CEM | hand - hour hand |
| 2ZA140F0CEM | hand - minute hand |
| 3DA035A0BDS | hand - sub hand(8h) |
| 3EX140A0BE1 | hand - second hand |
| 4CG120S0BCW | hand - 24 hour hand |
| 5R660AC0XB13 | others - dial |
| 5R660AD0 | others - case back |
| 5R660AD001A | others - case |
| 5R665 | others - machine code |
| 81331949 | others - click spring |
| 81506269 | others - screw for ornament plate fix |
| 86313284 | others - rotating bezel |
| 86390204 | others - holding ring for gasket |
| 86524044 | others - decorative plate |
| 0K0240B0A | others - case back gasket |
| 0399991 | others - casing clamp |
| 0022419 | others - casing clamp screw |
| 0866822 | others - holding ring for dial |
| 0878A59 | others - date dial |
| 0J377BA12 | others - rotating bezel gasket |
| D302DG-BKPP | others - spring bar for buckle/clasp |
| C220FS | others - push pin |
| D302DG-LKPN | others - pin for link |