The Seiko 5H23-7B70 is a watch model based on the 5H23 movement.
Parts List
| 300T44ANS0 | crystal - crystal |
| 300T44AN | crystal |
| 300T44ANG0 | crystal - crystal |
| 35M82NA1 | crown - crown |
| 35M82NS1 | crown - crown |
| FH2881B01 | case back gasket - case back gasket |
| FH2881B0 | case back gasket |
| B1456S | band - metal band |
| 12T14FSM | hand - minute hand |
| 12C28ASH | others - hour hand |
| 12C28ASM | others - minute hand |
| 12T02FSH | others - hour hand |
| 82800261 | others - case ring |
| 82361069 | others - bezel |
| 0801722 | others - date dial |
| 0866556 | others - holding ring for dial |
| 5H237B30XS19 | others - dial |
| 5H237B7061 | others - case |
| 5H239 | others - machine code |
| A180BS | others - push pin |
| 0351670 | others - winding stem |
| 13SC04ES | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
Caliber 5H23
