The Seiko 5M42-0C20 is a watch model based on the 5M42 movement.
Parts List
| 290P04TNC3 | crystal - crystal |
| 45MB8NA1 | crown - crown |
| 45MB8NS1 | crown - crown stahl |
| EC0060B0 | case back gasket - crown gasket |
| FH2980B0A | case back gasket - case back gasket |
| 86581741 | crystal gasket - plastic gasket for crystal |
| 86565320 | crystal gasket - plastic gasket for crystal |
| 86179411 | bezel gasket - plastic gasket for bezel |
| EC0060B01 | pusher - pusher gasket |
| 80602749 | pusher - button (2h) |
| 80602741 | pusher - button |
| 43X2CQ-LKG | band - link |
| 43X2JQ-LKS | band - link |
| 43X2LQ-LKG | band - link |
| 43X2AQ-LKS | band - link |
| 43X2JQ | band - band |
| 43X2CQ | band - band |
| 43X2LQ | band - band |
| 43X2AQ | band - band |
| 43X2AQ-BK2S | clasp - buckle |
| 43X2AQ-PB1 | clasp - parts for buckle |
| 43X2JQ-BK2S | clasp - buckle |
| 43X2JQ-PB1 | clasp - parts for buckle |
| 43X2CQ-BK2G | clasp - buckle |
| 43X2CQ-PB1 | clasp - parts for buckle |
| 43X2LQ-BK2S | clasp - buckle |
| 43X2LQ-PB1 | clasp - parts for buckle |
| 3AX125F3AFP | others - second hand |
| 2AX110F0BFW | others - minute hand |
| 2AX110F0BSG | others - minute hand |
| 2AX110F0BSS | others - minute hand |
| 1AX075F4BFW | others - hour hand |
| 1AX075F4BSG | others - hour hand |
| 1AX075F4BSS | others - hour hand |
| 81604259 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 5M420C2061 | others - case |
| 82290769 | others - bezel |
| 5M420C20 | others - case back |
| 5M420C2061A | others - case |
| 5M420C2061Y | others - case |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| 0351651 | others - winding stem |
| 5M420C206YZ | others - case |
| 0866636 | others - holding ring for dial |
| 0878729 | others - date dial |
| 0878730 | others - date dial |
| 43X2AQ-EPG | others - endpiece |
| 43X2CQ-EPG | others - endpiece |
| 200P02HN03 | others - crystal(case back) |
| 5M420C206YA | others - case |
| 5M420C206YY | others - case |
| 5M420C2061Z | others - case |
| 5M420C206Y | others - case |
| 82290764 | others - bezel |
| 5M420E40XS14 | others - dial |
| 5M420E48XS14 | others - dial |
| 5M420E50XB13 | others - dial |
| 5M420E50XS14 | others - dial |
| 5M420E50XS23 | others - dial |
| 5M420E58XB13 | others - dial |
| 5M420E58XS14 | others - dial |
| 5M420E58XS23 | others - dial |
| 5M425 | others - machine code |
| 84326184 | others - dial ring |
| 84326185 | others - dial ring |
| 84326186 | others - dial ring |
| 81400829 | others - button spring clip |
| 0Z0060B01 | others - crown and stem gasket |
| 3AX125F3ASG | others - second hand |
| 3AX125F3ASS | others - second hand |
Caliber 5M42
