The Seiko 7N42-6A30 is a watch model based on the 7N42 movement.
Parts List
| 290P04HN03 | crystal - crystal |
| 275W36JN01 | crystal |
| 8M35A0NNG1 | crown - crown |
| 1E55C2SNW1 | crown - crown |
| 8M35A0NNG7 | crown |
| FE308BA13 | case back gasket - case back gasket |
| 0A2700N01 | case back gasket - case back gasket |
| 0A2700N | case back gasket - dichtung -boden |
| 86583820 | crystal gasket - plastic gasket for crystal |
| B1836K-LKG | band - link |
| B1836L | band - metal band |
| B1836L-LKG | band - link |
| B1836G | band |
| 4HW3JB | band - band |
| B1836C | band - metal band |
| B1836C-LKG | band - link |
| B1836G-LKG | band - link |
| B1836B | band |
| B1836K | band |
| B1836G-PB1 | clasp - parts for buckle/clasp |
| B1836K-BK1G | clasp - clasp |
| B1836C-PB1 | clasp - parts for buckle/clasp |
| B1836G-BK1G | clasp - clasp |
| B1836C-BK1S | clasp - clasp |
| B1836L-PB1 | clasp - parts for buckle/clasp |
| B1836L-BK1S | clasp - clasp |
| B1836K-PB1 | clasp - parts for buckle/clasp |
| 3AX125F5ANS | others - second hand |
| 2AA115A1BNG | others - minute hand |
| 1AD085A2BAD | others - hour hand |
| 2BC120FABES | others - minute hand |
| 3AA125F1ANG | others - second hand |
| 3AA125F0ANG | others - second hand |
| 1AA075A1BNG | others - hour hand |
| 2AD120AMBAA | others - minute hand |
| 1AD080AABAA | others - hour hand |
| 1AC082FABES | others - hour hand |
| 0351892 | others - winding stem |
| 82737920 | others - case ring |
| 82830140 | others - case ring |
| V7426A3061Z | others - case |
| V7426A30 | others - case back |
| 0878580 | others - date dial |
| 0878587 | others - date dial |
| 0878588 | others - date dial |
| 0878589 | others - date dial |
| 7N423 | others - machine code |
| 7N426A30 | others - case back |
| 7N426A3075 | others - case |
| 7N426A3075Y | others - case |
| 7N426A3075Z | others - case |
| 7N426A3098 | others - case |
| 7N426A3098Z | others - case |
| 7N426A50XB14 | others - dial |
| 7N426A50XG14 | others - dial |
| 7N426A50XN14 | others - dial |
| 7N426A58XB14 | others - dial |
| 7N426A58XG14 | others - dial |
| 7N426A58XN14 | others - dial |
| 7N426A60XS14 | others - dial |
| 7N426A68XS14 | others - dial |
| 7N426A88XS14 | others - dial |
| 7N426A98XS14 | others - dial |
| 84318564 | others - dial ring |
| A130BS | others - push pin |
| S180BS | others - push pin |
| V7428B38XB13 | others - dial |
| 0A0150B0A | others - crown and stem gasket |
| 89995390 | others - pusher spacer |
| 2AB120A4BNG | others - minute hand |
| AD006BA12 | others - crown gasket |
| 2AD120AABAA | others - minute hand |
| 1AB085A0BNG | others - hour hand |
| 12T02NGH | others - hour hand |
| 12C16AGM | others - minute hand |