The Seiko 5M23-6B50 is a watch model based on the 5M23 movement.
Parts List
| 290P06HN03 | crystal - crystal |
| 290P06HN | crystal |
| 1E60A0SNW2 | crown - crown |
| 1E60A0SNG2 | crown |
| 1E60A0SNG1 | crown |
| 0Z3214B0 | case back gasket - bezel gasket |
| FH2980B0A | case back gasket - case back gasket |
| 86565321 | crystal gasket - plastic gasket for crystal |
| EC0060B01 | pusher - pusher gasket |
| 80604589 | pusher - button |
| 80604584 | pusher |
| 80604581 | pusher |
| 4231JZ | band |
| 4231SZ-LKG | band - link |
| 4231JZ-LKS | band - link |
| 4231LZ-LKG | band - link |
| 4231SZ | band |
| 4231LZ | band |
| 4231SZ-PB1 | clasp - parts for buckle/clasp |
| 4231LZ-PB1 | clasp - parts for buckle/clasp |
| 4231SZ-BK2S | clasp - clasp |
| 4231JZ-PB1 | clasp - parts for buckle/clasp |
| 4231LZ-BK2S | clasp - clasp |
| 4231JZ-BK2S | clasp - clasp |
| 3AX110F1ASG | others - second hand |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| 5M232 | others - machine code |
| 5M236B50 | others - case back |
| 5M236B5061Y | others - case |
| 5M236B5061Z | others - case |
| 5M236B5098Y | others - case |
| 5M236B5098Z | others - case |
| 5M236B88XB13 | others - dial |
| 5M236B88XB24 | others - dial |
| 5M236B88XL13 | others - dial |
| 81332879 | others - click spring |
| 84324803 | others - dial ring |
| 84324804 | others - dial ring |
| 84324805 | others - dial ring |
| 86311643 | others - rotating bezel |
| 86311644 | others - rotating bezel |
| 86311645 | others - rotating bezel |
| 86311646 | others - rotating bezel |
| A220CS | others - push pin |
| 0866626 | others - holding ring for dial |
| 0878675 | others - date dial |
| 0351651 | others - winding stem |
| 0Z3214B02 | others - rotating bezel gasket |
| 4231LZ-EPG | others - endpiece |
| 0A0150B0A | others - crown and stem gasket |
| 3AX110F1ASS | others - second hand |
| 89995390 | others - pusher spacer |
| 81400829 | others - button spring clip |
| 2AX115FMBSS | others - minute hand |
| 2AX115FMBSG | others - minute hand |
| 1AX080FMBSS | others - hour hand |
| 1AX080FMBSG | others - hour hand |