The Seiko 5M42-0A30 is a watch model based on the 5M42 movement.
Parts List
| 290A02SN02 | crystal - crystal (sapphire) |
| 290A02SN | crystal |
| 200W26JN | crystal |
| 40MD4NA1 | crown - crown |
| 40MD4NS1 | crown - crown |
| FH2981B01 | case back gasket - case back gasket |
| EG0060B0 | case back gasket |
| 86580100 | crystal gasket - plastic gasket for crystal |
| 80600509 | pusher - button |
| 80600501 | pusher - button |
| 43M4BG | band - band |
| 4170LB | band - metal band |
| 43M4AG | band - band |
| 43M4JG | band - band |
| 4ER6JB | band - band |
| 4170JB | band - metal band |
| 43M4KG | band - band |
| 43M4CG | band - band |
| 4170LB-LKG | band - link |
| 43M4BG-LK3 | band - link |
| 43M4KG-LKG | band - link |
| 43M4LG-LKG | band - link |
| 43M4LG | band - band |
| 43M4LG-BK1S | clasp - buckle |
| 43M4LG-PB1 | clasp - parts for buckle |
| 43M4BG-BKD | clasp - buckle |
| 43M4BG-PB1 | clasp - parts for buckle |
| 43M4CG-BK1S | clasp - buckle |
| 43M4CG-PB1 | clasp - parts for buckle |
| 43M4KG-BK1G | clasp - buckle |
| 43M4KG-PB1 | clasp - parts for buckle |
| 4170LB-BK1S | clasp - buckle |
| 4170LB-PB1 | clasp - parts for buckle |
| 3AX120F0ASS | others - second hand |
| 3AX120F0ASG | others - second hand |
| 2AB120L4BSC | others - minute hand |
| 2AB120L4BSK | others - minute hand |
| 2AB115L0BAL | others - minute hand |
| 2AB120L4BSA | others - minute hand |
| 1AB075LMBSC | others - hour hand |
| 1AB075LMBSK | others - hour hand |
| 1AB075L4BAC | others - hour hand |
| 1AB075LMBSA | others - hour hand |
| 3AX120FMAFC | others - second hand |
| 200W26JNE3 | others - crystal(case back) |
| 0351651 | others - winding stem |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| EG0060B01 | others - button gasket |
| 5M420A3075 | others - case |
| 5M420A3061 | others - case |
| 5M420A30 | others - case back |
| 5M420A3061Z | others - case |
| 5M420A3098 | others - case |
| 5M420A3098Z | others - case |
| 5M420A38XE19 | others - dial |
| 5M420A40XG14 | others - dial |
| 5M420A40XS13 | others - dial |
| 5M420A40XS24 | others - dial |
| 5M420A48XB13 | others - dial |
| 5M420A48XG14 | others - dial |
| 5M420A48XS13 | others - dial |
| 5M420A48XS24 | others - dial |
| 5M425 | others - machine code |
| A200BS | others - push pin |
| 5M420A3075Z | others - case |
| 0866640 | others - holding ring for dial |
| 0878729 | others - date dial |
| 0878731 | others - date dial |
| 0Z0060B01 | others - crown and stem gasket |
| 81400829 | others - button spring clip |
Caliber 5M42
