The Seiko 5M42-0K20 is a watch model based on the 5M42 movement.
Parts List
290PX7JC0B | crystal - crystal |
290PX7JC0C | crystal - crystal |
8M55A2SNW1 | crown - crown |
86565320 | crystal gasket - plastic gasket for crystal |
0G310BA16 | bezel gasket - case back gasket |
EC0060B01 | pusher - pusher gasket |
A40A05SMS0A | pusher - button |
71A5ZZ-LK2 | band - link |
71A6ZZ-LK2 | band - link |
71A5ZZ | band - band |
71A6ZZ | band - band |
7C26WZ | band - rubber band |
71A5ZZ-BKF | clasp - buckle |
71A5ZZ-PB2 | clasp - parts for buckle |
71A6ZZ-BKF | clasp - buckle |
71A6ZZ-PB2 | clasp - parts for buckle |
1AX085F8BSS | others - hour hand |
2AX120FPBSS | others - minute hand |
3AA120FMANS | others - second hand |
83200273 | others - button spring clip |
81351630 | others - button spring |
AD006BAD1 | others - crown and stem gasket |
81504429 | others - screw |
84328324 | others - dial ring |
84328325 | others - dial ring |
A180BS | others - push pin |
0351651 | others - winding stem |
5M420K20N8 | others - case |
8991740B | others - bezel |
5M420K20N8A | others - case |
8991740C | others - bezel |
5M420K20N8B | others - case |
8991740D | others - bezel |
5M420K20N8C | others - case |
8991740A | others - bezel |
5M420K20N8D | others - case |
8991740E | others - bezel |
5M420K20N8E | others - case |
0866646 | others - holding ring for dial |
0878729 | others - date dial |
0878730 | others - date dial |
5M420M08XB13 | others - dial |
5M420M08XS13 | others - dial |
5M428 | others - machine code |
290PX7JC0B | crystal - crystal |
290PX7JC0C | crystal - crystal |
8M55A2SNW1 | crown - crown |
86565320 | crystal gasket - plastic gasket for crystal |
0G310BA16 | bezel gasket - case back gasket |
EC0060B01 | pusher - pusher gasket |
A40A05SMS0A | pusher - button |
71A5ZZ-LK2 | band - link |
71A6ZZ-LK2 | band - link |
71A5ZZ | band - band |
71A6ZZ | band - band |
7C26WZ | band - rubber band |
71A5ZZ-BKF | clasp - buckle |
71A5ZZ-PB2 | clasp - parts for buckle |
71A6ZZ-BKF | clasp - buckle |
71A6ZZ-PB2 | clasp - parts for buckle |
1AX085F8BSS | others - hour hand |
2AX120FPBSS | others - minute hand |
3AA120FMANS | others - second hand |
83200273 | others - button spring clip |
81351630 | others - button spring |
AD006BAD1 | others - crown and stem gasket |
81504429 | others - screw |
84328324 | others - dial ring |
84328325 | others - dial ring |
A180BS | others - push pin |
0351651 | others - winding stem |
5M420K20N8 | others - case |
8991740B | others - bezel |
5M420K20N8A | others - case |
8991740C | others - bezel |
5M420K20N8B | others - case |
8991740D | others - bezel |
5M420K20N8C | others - case |
8991740A | others - bezel |
5M420K20N8D | others - case |
8991740E | others - bezel |
5M420K20N8E | others - case |
0866646 | others - holding ring for dial |
0878729 | others - date dial |
0878730 | others - date dial |
5M420M08XB13 | others - dial |
5M420M08XS13 | others - dial |
5M428 | others - machine code |
Caliber 5M42
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5M42A_caliber_en_1.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5M42A_caliber_en_2.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5M42A_caliber_en_3.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5M42A_caliber_en_4.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5M42A_caliber_en_5.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5M42A_caliber_en_6.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5M42A_caliber_en_7.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5M42A_caliber_en_8.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5M42A_caliber_en_9.jpg)
![Caliber manual page](https://www.theseikoguy.com/media/movements/5/5M42A_caliber_en_10.jpg)