The Seiko 7T42-6A49 is a watch model based on the 7T42 movement.
Parts List
| 310W78HN01 | crystal |
| 0351580 | crown - winding stem |
| 40M92NA1 | crown |
| 40M82NA1 | crown - crown |
| FH3081B01 | case back gasket |
| 86581460 | crystal gasket |
| 86581461 | crystal gasket |
| 86179271 | bezel gasket - plastic gasket for bezel |
| 80602781 | pusher |
| 4GF6ZY | band - leather band |
| 03E34TG | hand - small hand (9h) |
| 04E40DG | others - sub hand |
| 82351541 | others - bezel |
| 0866599 | others - holding ring for dial |
| 0878527 | others - date dial |
| 7T424 | others - machine code |
| 7T426A49 | others - case back |
| 7T426A4975 | others - case |
| 7T426A5LXS14 | others - dial |
| 84322203 | others - dial ring |
| 86510089 | others - conducting plate |
| A200BS | others - push pin |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| EG0060B01 | others - button gasket |
| 13SC06LA | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 04Y06NGH | others - hour hand |
| 1AB080L4BLG | others - hour hand |
| 2AB125L4BLD | others - minute hand |
| 12C54LGM | others - minute hand |
| 12C54LGH | others - hour hand |
Caliber 7T42
Other models with the same movement
| 7T42-6A00 |
| 7T42-6A0A |
| 7T42-6A0B |
| 7T42-6A10 |
| 7T42-6A20 |
| 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 |