The Seiko 7N42-8A00 is a watch model based on the 7N42 movement.
Parts List
| 295W38JK01 | crystal |
| 8M35A0NNG1 | crown - crown |
| 8M35A0SNW1 | crown - crown |
| 0F290NA1S | case back gasket - case back gasket |
| 0A2800N01 | case back gasket - case back gasket |
| Z1671J | band |
| Z1671C | band - metal band |
| Z1671C-LKG | band - link |
| Z1671K-LKG | band - link |
| Z1671L | band - metal band |
| Z1671L-LKG | band - link |
| ZPK51K | band - leather band |
| Z1671K | band |
| ZPK50K | band |
| Z1671L-PB1 | clasp - parts for buckle/clasp |
| Z1671L-BK1S | clasp - clasp |
| Z1671K-PB1 | clasp - parts for buckle/clasp |
| Z1671C-PB1 | clasp - parts for buckle/clasp |
| Z1671K-BK1G | clasp - clasp |
| Z1671C-BK1S | clasp - clasp |
| 1AD085A2BAD | others - hour hand |
| 2AB125A0BNG | others - minute hand |
| 3AA125F0ANG | others - second hand |
| 3AA125F0ANS | others - second hand |
| 1AB080A0BNG | others - hour hand |
| 0351892 | others - winding stem |
| 82832120 | others - case ring |
| 0878580 | others - date dial |
| 0878588 | others - date dial |
| 7N423 | others - machine code |
| 7N428A00 | others - case back |
| 7N428A0061Z | others - case |
| 7N428A0075Z | others - case |
| 7N428A0098 | others - case |
| 7N428A0098Z | others - case |
| 7N428A0WXS13 | others - dial |
| 7N428A1LXS14 | others - dial |
| 7N428A1WXS14 | others - dial |
| 7N428A20XS14 | others - dial |
| 7N428A28XS14 | others - dial |
| 7N428A38XG14 | others - dial |
| A180BS | others - push pin |
| Z1671C-EPG | others - endpiece |
| Z1671L-EPG | others - endpiece |
| AD006BA12 | others - crown gasket |
| 2AB125L2BLC | others - minute hand |
| 2AD120AABAA | others - minute hand |
| 2AB120S2BLG | others - minute hand |
| 12C20NGH | others - hour hand |
| 1AB085L0BLC | others - hour hand |
| 1AB085S0BLG | others - hour hand |