The Seiko Y143-5A50 is a watch model based on the Y143 movement.
Parts List
| SA5W63LN01 | crystal - crystal |
| 40MM7NS1 | crown - crown |
| 40MM7NN1 | crown - crown |
| 0F250WAE1 | case back gasket - case back gasket |
| 86576230 | crystal gasket - plastic gasket for crystal |
| 86576250 | bezel gasket - plastic gasket for bezel |
| 065MU | band - band |
| 066MU | band - band |
| 11C51AKM | others - minute hand |
| 11C51ASM | others - minute hand |
| 11C51AGM | others - minute hand |
| 11C07AKH | others - hour hand |
| 11C07ASH | others - hour hand |
| 11C07AGH | others - hour hand |
| 3AA125F1A6S | others - second hand |
| 3AA125F1ANG | others - second hand |
| 11SC43T1 | others - second hand |
| 11SC43T2 | others - second hand |
| 0354866 | others - winding stem |
| Y1435A5061A | others - case |
| 82334519 | others - bezel |
| 82734610 | others - case ring |
| Y1435A507SA | others - case |
| 82334511 | others - bezel |
| A180BS | others - push pin |
| 0D005BA11 | others - (crowndichtung) |