The Seiko 2G28-5090 is a watch model based on the 2G28 movement.
Parts List
| K00W59HN01 | crystal |
| 30M73NA1 | crown |
| 30M73NS1 | crown |
| 0F230BAA3 | case back gasket - case back gasket |
| 86590090 | crystal gasket |
| QZ03A | band - metal band |
| QZ04A | band - metal band |
| 03SE07EB | others - second hand |
| EB0055B01 | others - crown and stem gasket |
| 0351226 | others - winding stem |
| 2G2810 | others - machine code |
| 2G285090 | others - case back |
| 2G28509075 | others - case |
| 2G2850907E | others - case |
| 2G285110XS19 | others - dial |
| 2G285110XS29 | others - dial |
| 82821890 | others - case ring |
| 10L13AGH | others - hour hand |
| 10L13ASH | others - hour hand |
| 10V13CGM | others - minute hand |
| 10V13CSM | others - minute hand |
Caliber 2G28
