The Seiko 5M42-0F20 is a watch model based on the 5M42 movement.
Parts List
300P22JR02 | crystal - crystal |
1E55B8SNN1 | crown - crown |
1E55B8SNW1 | crown - crown |
0C3060B0A | case back gasket - case back gasket |
0Z3314B02 | case back gasket - rotating bezel gasket |
86178610 | crystal gasket - plastic gasket for crystal |
80608644 | pusher - button |
80608649 | pusher - button |
4681AB | band - band |
4681MB | band - band |
4681JB | band - band |
4681AB-LK3 | band - link |
4681JB-LK3 | band - link |
4681MB-LK5 | band - link |
4681JB-BKD | clasp - buckle |
4681JB-PB2 | clasp - parts for buckle |
4681AB-BKD | clasp - buckle |
4681AB-PB2 | clasp - parts for buckle |
4681MB-BKD | clasp - buckle |
4681MB-PB2 | clasp - parts for buckle |
1AX080FSBSB | others - hour hand |
1AX080FSBSS | others - hour hand |
2AH120F0BSB | others - minute hand |
2AH120F0BSS | others - minute hand |
3AX125FMASB | others - second hand |
3AX125FMASS | others - second hand |
81400709 | others - button spring clip |
81350460 | others - button spring |
EB0100B01 | others - button gasket |
5M420F2061 | others - case |
86312489 | others - rotating bezel |
5M420F20 | others - case back |
81400969 | others - button spring clip |
0866639 | others - holding ring for dial |
0878729 | others - date dial |
4681AB-EP1 | others - endpiece |
5M420F20WKZ | others - case |
86312484 | others - rotating bezel |
5M420F2061A | others - case |
5M420F2061Y | others - case |
5M420F2061Z | others - case |
5M420J40XB13 | others - dial |
5M420J40XY13 | others - dial |
5M420J48XB13 | others - dial |
5M420J48XE13 | others - dial |
5M420J48XY13 | others - dial |
5M425 | others - machine code |
81332049 | others - click spring |
84328004 | others - dial ring |
84328005 | others - dial ring |
C180FS | others - push pin |
4681MB-EP2 | others - endpiece |
4681JB-EP2 | others - endpiece |
0A0150B0A | others - crown and stem gasket |
89995390 | others - pusher spacer |
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)