The Seiko 5R66-0AR0 is a watch model based on the 5R66 movement.
Parts List
| 350P28SB0A | crystal - crystal (sapphire) |
| 270P34SN01 | crystal - crystal (sapphire) |
| 2K80A4STW1 | crown - crown (3h) |
| 0F310BAD2 | case back gasket - case back gasket |
| 86585421 | crystal gasket - plastic gasket for crystal |
| 86574860 | crystal gasket - plastic gasket for crystal |
| 86584340 | bezel gasket - plastic gasket for bezel |
| 4A1V1AK | band - leather band |
| 4A1V1AKBDB | band - leather without buckle |
| 4A1W1AX | band - metal band |
| 4A1W1AXLK | band - link |
| B1LW51SA00W | clasp - clasp |
| H14W12SA00B | clasp - clasp |
| 2FG140L4BES | hand - minute hand |
| 4CX137F0BER | hand - 24 hour hand |
| 1FG092L0BES | hand - hour hand |
| 3DA040ACBDN | hand - sub hand(7h) |
| 3DA040ACBDS | hand - sub hand(7h) |
| 3EA145A0BDS | hand - second hand |
| 81607379 | others - bracelet fixing pin |
| 0022419 | others - casing clamp screw |
| 0351700 | others - setting/winding stem |
| 0866810 | others - holding ring for dial |
| 0878A59 | others - date dial |
| 0878A60 | others - date dial |
| 81181459 | others - bracelet fixing pipe |
| 81601039 | others - bracelet fixing pin |
| 0399991 | others - casing clamp |
| 5R660AM0XB13 | others - dial |
| 5R660AM0XS13 | others - dial |
| 5R660AN0XB13 | others - dial |
| 5R660AR0 | others - case back |
| 5R660AR001A | others - case |
| 5R660AR002A | others - case |
| 5R660AR003A | others - case |
| 5R667 | others - machine code |
| 81506989 | others - case back screw |
| 84336884 | others - dial ring |
| 84336885 | others - dial ring |
| 85945544 | others - bezel |
| 86515109 | others - conducting plate |
| S240CS | others - push pin |
| 4A1W1AXEP | others - endpiece |
| DC010BAD2 | others - crown and stem gasket |