The Seiko Y100-5059 is a watch model based on the Y100 movement.
Parts List
| ES7N54GN00 | crystal |
| 35M98NF1 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0A2700N01 | case back gasket - case back gasket |
| 0A2700N | case back gasket - dichtung -boden |
| 276MA | band - metal band |
| 276MA-BK5G | clasp - clasp |
| 82708700 | others - case ring |
| A180BS | others - push pin |
| Y1005050XG14 | others - dial |
| Y10050592S | others - case |
| 0354765 | others - winding stem |
| 2AA100AMBNG | others - minute hand |
| 10C26NGM | others - minute hand |
| 1AA070AMBNG | others - hour hand |
| 11C16NGH | others - hour hand |