The Seiko 5Y23-6100 is a watch model based on the 5Y23 movement.
Parts List
| 265W20JM01 | crystal |
| 35M82NA1 | crown - crown |
| 0A2500B01 | case back gasket - case back gasket |
| B1725C-LKG | band - link |
| B1725C | band |
| B1730C-LKG | band - link |
| B1730S-LKS | band - link |
| B1730S | band |
| B1730C | band |
| B1725C-PB1 | clasp - parts for buckle/clasp |
| B1730C-BK4G | clasp - clasp |
| B1725C-BK1S | clasp - clasp |
| B1730S-BK4S | clasp - clasp |
| 0351670 | others - winding stem |
| 82803000 | others - case ring |
| 0878524 | others - date dial |
| 0878543 | others - date dial |
| 5Y236100 | others - case back |
| 5Y23610079 | others - case |
| 5Y236190XG14 | others - dial |
| 5Y236210XG14 | others - dial |
| 5Y236210XN14 | others - dial |
| 5Y238 | others - machine code |
| B090BS | others - push pin |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 11T16NGM | others - minute hand |
| 11T16NGH | others - hour hand |