The Seiko 2A23-0139 is a watch model based on the 2A23 movement.
Parts List
| 190A02JN02 | crystal - crystal (inorganic) |
| 190N97JN00 | crystal |
| 30N83NA1 | crown - crown |
| 30N91NA1 | crown |
| 0H1500B01 | case back gasket - case back gasket |
| 0H1600B01 | case back gasket - case back gasket |
| 0H1550B01 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| 0H1500B0 | case back gasket |
| 0H1550B0 | case back gasket |
| WHJ12G | band - leather band |
| 3BA125F1BNG | others - second hand |
| 3BA125F1BAB | others - second hand |
| 08S15CGH | others - hour hand |
| 08S15CGM | others - minute hand |
| 08SC29EB | others - second hand |
| 08S15DHH | others - hour hand |
| 08S15DHM | others - minute hand |
| 83138950 | others - case ring |
| 0801298 | others - date dial |
| 0884141 | others - holding ring for dial |
| 2A23013925 | others - case |
| 2A230260XG14 | others - dial |
| 2A230270XG19 | others - dial |
| 2A2310 | others - machine code |
| 0354073 | others - winding stem |
| A120AS | others - push pin |
| 08SC29NG | others - second hand |
Caliber 2A23
