The Seiko 7N42-6A5A is a watch model based on the 7N42 movement.
Parts List
| 265W04GN00 | crystal |
| 40M78NA1 | crown - crown |
| FH2980B0A | case back gasket - case back gasket |
| 86570621 | crystal gasket |
| 86179411 | bezel gasket - plastic gasket for bezel |
| Z1604L-LKG | band - link |
| Z1604L | band |
| Z1604L-PB1 | clasp - parts for buckle/clasp |
| Z1604L-BK1S | clasp - clasp |
| 3AA125F3ANG | others - second hand |
| Z1604L-EPG | others - endpiece |
| 0351892 | others - winding stem |
| 82830140 | others - case ring |
| 0878580 | others - date dial |
| 7N423 | others - machine code |
| 7N426A5A | others - case back |
| 7N426A5A98Z | others - case |
| 7N426B1WXS24 | others - dial |
| 82390525 | others - ornament bezel |
| 84323726 | others - dial ring |
| A190BS | others - push pin |
| 0Z0060B01 | others - crown and stem gasket |
| 2AB110A2BLG | others - minute hand |
| 1AB077A0BLG | others - hour hand |