The Seiko 2a23-0030 is a watch model based on the 2a23 movement.
Parts List
| 190W53LN | crystal |
| 190W53LN00 | crystal |
| 32M13NS1 | crown |
| 32M13NA1 | crown |
| 0F150BAA | case back gasket |
| 0F150BAA1 | case back gasket - case back gasket |
| OF150BAA1 | case back gasket |
| 8617-4130 | crystal gasket |
| 86174130 | crystal gasket |
| 86170190 | bezel gasket - plastic gasket for bezel |
| Z5031C-LKG | band - link |
| Z5031D | band - metal band |
| Z5031D-LKG | band - link |
| Z5031G | band - metal band |
| Z5031G-LKG | band - link |
| Z5031H | band - metal band |
| Z5031H-LKG | band - link |
| Z5031S | band - metal band |
| Z5031C | band |
| Z5031H-PB1 | clasp - parts for buckle/clasp |
| Z5031H-BK1G | clasp - clasp |
| Z5031G-PB1 | clasp - parts for buckle/clasp |
| Z5031G-BK1G | clasp - clasp |
| Z5031D-PB1 | clasp - parts for buckle/clasp |
| Z5031D-BK1G | clasp - clasp |
| Z5031C-PB1 | clasp - parts for buckle/clasp |
| Z5031C-BK1G | clasp - clasp |
| 08S11BSH | hand - hour hand |
| 08S11BSM | hand - minute hand |
| 08S19CGH | hand - hour hand |
| 08S19CGM | hand - minute hand |
| 08S19CHH | hand - hour hand |
| 08S19CHM | hand - minute hand |
| 3BA075F1BNG | others - second hand |
| 3BA125F1BNG | others - second hand |
| 07SC17NG | others - second hand |
| 3BA125F1BAB | others - second hand |
| 08SC29EB | others - second hand |
| 3BA125F1BNS | others - second hand |
| 0354073 | others - winding stem |
| Z5031C-EPG | others - endpiece |
| 83138950 | others - case ring |
| 0801298 | others - date dial |
| 0884141 | others - holding ring for dial |
| Z5031D-EPG | others - endpiece |
| Z5031G-EPG | others - endpiece |
| Z5031H-EPG | others - endpiece |
| EB0055B01 | others - crown and stem gasket |
| 08SC29NS | others - second hand |
| A-Welle 354-073 | others |
| 2A23003075 | others - case |
| 2A23003087 | others - case |
| 2A23003098 | others - case |
| 2A230030XF | others - case |
| 2A23003LXG14 | others - dial |
| 2A23003LXS13 | others - dial |
| 2A230040XS14 | others - dial |
| 2A230430XS14 | others - dial |
| 2A230770XS19 | others - dial |
| 2A2310 | others - machine code |
| 83345112 | others - bezel |
| 83345115 | others - bezel |
| A130BS | others - push pin |
| Case Ring 8313-8950 | others |
| SEC 08SC29NG | others |
| Min 08S11BGM | others |
| 08SC29NG | others - second hand |
| 08S11BGM | others - minute hand |
| 08S11BGH | others - hour hand |
| 07S11BGM | others - minute hand |
| 07S11BGH | others - hour hand |