The Seiko 5M23-6A99 is a watch model based on the 5M23 movement.
Parts List
| 290WD2JN01 | crystal - crystal |
| 290WD2JN | crystal |
| 45M74NA1 | crown - crown |
| 35M82NA1 | crown - crown |
| 35M82NS1 | crown - crown |
| 45M74NS1 | crown - crown |
| FH2981B01 | case back gasket - case back gasket |
| EG0060B0 | case back gasket |
| 86574981 | crystal gasket |
| 80603521 | pusher |
| 4013BB | band |
| 4013BB-LKG | band - link |
| 4013GB | band - metal band |
| 4013YB-LKG | band - link |
| 4013GB-LKG | band - link |
| 4013YB | band - metal band |
| 4013YB-BK1G | clasp - clasp |
| 4013GB-PB1 | clasp - parts for buckle/clasp |
| 4013YB-PB1 | clasp - parts for buckle/clasp |
| 4013GB-BK1G | clasp - clasp |
| 4013BB-PB1 | clasp - parts for buckle/clasp |
| 4013BB-BK1G | clasp - clasp |
| 3AX130F0ALM | others - second hand |
| 2AB115A4BLG | others - minute hand |
| 0866628 | others - holding ring for dial |
| 0878675 | others - date dial |
| 0351651 | others - winding stem |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| EG0060B01 | others - button gasket |
| 4013BB-EPG | others - endpiece |
| 4013GB-EPG | others - endpiece |
| 5M232 | others - machine code |
| 5M236A99 | others - case back |
| 5M236A9975 | others - case |
| 5M236A9975Z | others - case |
| 5M236B2LXG14 | others - dial |
| 5M236B2WXG14 | others - dial |
| 82363261 | others - decorative bezel |
| 84323507 | others - dial ring |
| A200BS | others - push pin |
| 4013YB-EPG | others - endpiece |
| 0Z0060B01 | others - crown and stem gasket |
| 81400829 | others - button spring clip |
| 1AB080A2BLG | others - hour hand |
| 11CA8LAH | others - hour hand |