The Seiko 7T42-6A0B is a watch model based on the 7T42 movement.
Parts List
| 300WF6HN01 | crystal |
| 0351580 | crown - winding stem |
| 45M60NA1 | crown - crown |
| FH3180B0A | case back gasket - case back gasket |
| 0Z3314B02 | case back gasket - rotating bezel gasket |
| 86178611 | crystal gasket - plastic gasket for crystal |
| EC0060B01 | pusher - pusher gasket |
| 80602561 | pusher |
| BRJ48S | band |
| B1654C-LKG | band - link |
| BRJ46S | band |
| BRJ46J | band |
| BRJ53S | band |
| B1654C | band |
| B1654C-PB1 | clasp - parts for buckle/clasp |
| B1654C-BK1S | clasp - clasp |
| 04E44AB | hand - small hand(12h) |
| 04Y06ABH | others - hour hand |
| 03E36AB | others - small hand (9h) |
| 04E46AB | others - sub hand |
| 0866602 | others - holding ring for dial |
| 0878527 | others - date dial |
| 7T424 | others - machine code |
| 7T426A0B | others - case back |
| 7T426A0B98 | others - case |
| 7T426A0B98Z | others - case |
| 7T426A0LXS14 | others - dial |
| 7T426A1LX914 | others - dial |
| 7T426A1WX914 | others - dial |
| 84321266 | others - dial ring |
| 86320641 | others - rotating bezel |
| A200CS | others - push pin |
| 81400900 | others - button spring clip |
| 81350540 | others - button spring |
| 81400829 | others - button spring clip |
| 13SC06LJ | others - second hand |
| 11CA8KGM | others - minute hand |
| 11CA8KGH | others - hour hand |
Caliber 7T42
Other models with the same movement
| 7T42-6A00 |
| 7T42-6A0A |
| 7T42-6A10 |
| 7T42-6A20 |
| 7T42-6A49 |
| 7T42-6A50 |
| 7T42-6A5A |
| 7T42-6A60 |
| 7T42-6A6A |
| 7T42-7A00 |
| 7T42-7A10 |
| 7T42-7A20 |
| 7T42-7A2A |
| 7T42-7A39 |
| 7T42-7A40 |
| 7T42-7A4A |
| 7T42-7A4B |
| 7T42-7A50 |
| 7T42-7A5A |
| 7T42-7A5B |
| 7T42-F010 |
| 7T42-F01A |