The Seiko YT57-0A50 is a watch model based on the YT57 movement.
Parts List
| 280P03HN03 | crystal - crystal |
| 8K40B5SNS0 | crown - crown |
| FE298BAD2 | case back gasket - case back gasket |
| 86177922 | crystal gasket - plastic gasket for crystal |
| 86179411 | bezel gasket - plastic gasket for bezel |
| E0J8AG | band - band |
| E0J8AG-LK00 | band - link |
| 1AE075LBBSS | others - hour hand |
| 2AE120LBBSS | others - minute hand |
| 3AA125F0ANS | others - second hand |
| AD006BAD1 | others - crown and stem gasket |
| 0351651 | others - winding stem |
| YT570A74XL13 | others - dial |
| YT575 | others - machine code |
| YT570A5079 | others - case |
| 82298542 | others - bezel |
| 0866636 | others - holding ring for dial |
| 0878730 | others - date dial |
| A180BS | others - push pin |