The Seiko 5Y23-7A00 is a watch model based on the 5Y23 movement.
Parts List
| 270P02LN | crystal |
| 270P02LN03 | crystal - crystal |
| 270W89LN | crystal |
| 270W89LN01 | crystal |
| 35ME9NN1 | crown |
| 35ME9NA1 | crown |
| 35ME9NS1 | crown |
| FE278BA1 | case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| DH0100B0 | case back gasket |
| FE278BA11 | case back gasket - case back gasket |
| 86582550 | crystal gasket |
| 86563470 | bezel gasket - plastic gasket for bezel |
| G1306C | band - metal band |
| G1306C-LKG | band - link |
| G1306S | band - metal band |
| G1306S-LKS | band - link |
| G1306S-PB1 | clasp - parts for buckle/clasp |
| G1306S-BK1S | clasp - clasp |
| G1306C-PB1 | clasp - parts for buckle/clasp |
| G1306C-BK1S | clasp - clasp |
| 2BB110A1BNG | others - minute hand |
| 3AA125F1A6S | others - second hand |
| 3AA125F1ANG | others - second hand |
| 3AA125F3A6S | others - second hand |
| 3AA125F3ANG | others - second hand |
| 0351670 | others - winding stem |
| 82812490 | others - case ring |
| 0801774 | others - date dial |
| 5Y237A00 | others - case back |
| 5Y237A0087 | others - case |
| 5Y237A0098 | others - case |
| 5Y237A00XN13 | others - dial |
| 5Y237A10XS14 | others - dial |
| 82340391 | others - bezel |
| 82340392 | others - bezel |
| A160BS | others - push pin |
| 1BB075A1BNG | others - hour hand |
| 11SC17T1 | others - second hand |
| 11SC17T2 | others - second hand |
| 11T11NGH | others - hour hand |
| 11T11NGM | others - minute hand |
| 2BA120A1BNS | others - minute hand |
| 12T07NSM | others - minute hand |
| 1BA080A1BNS | others - hour hand |