The Seiko 7T42-7A10 is a watch model based on the 7T42 movement.
Parts List
| 325W22SN00 | crystal |
| 45M94E01 | crown |
| 0351580 | crown - winding stem |
| FH3180B0A | case back gasket - case back gasket |
| 86566660 | crystal gasket - plastic gasket for crystal |
| 86564440 | bezel gasket - plastic gasket for bezel |
| EC0060B01 | pusher - pusher gasket |
| 80602983 | pusher |
| YB21A | band - metal band |
| 13SC06KR | others - second hand |
| A100BS | others - push pin (for mb) |
| 0866601 | others - holding ring for dial |
| 0878536 | others - date dial |
| 7T424 | others - machine code |
| 7T427A10 | others - case back |
| 7T427A10WF | others - case |
| 7T427A2LXB13 | others - dial |
| 82351863 | others - bezel |
| 84311204 | others - dial ring (upper) |
| 84321503 | others - dial ring (lower) |
| 86510069 | others - conducting plate |
| 03E36AW | others - (small hand (9h)) |
| 82721700 | others - case ring |
| 04E44AR | others - (small hand(12h)) |
| 04E46AA | others - small hand (6h) |
| 04Y06ADH | others - hour hand |
| 12CA2MKH | others - hour hand |
| 12CA2MKM | others - minute hand |
| 325W22SN00 | crystal |
| 45M94E01 | crown |
| 0351580 | crown - winding stem |
| FH3180B0A | case back gasket - case back gasket |
| 86566660 | crystal gasket - plastic gasket for crystal |
| 86564440 | bezel gasket - plastic gasket for bezel |
| EC0060B01 | pusher - pusher gasket |
| 80602983 | pusher |
| YB21A | band - metal band |
| 13SC06KR | others - second hand |
| A100BS | others - push pin (for mb) |
| 0866601 | others - holding ring for dial |
| 0878536 | others - date dial |
| 7T424 | others - machine code |
| 7T427A10 | others - case back |
| 7T427A10WF | others - case |
| 7T427A2LXB13 | others - dial |
| 82351863 | others - bezel |
| 84311204 | others - dial ring (upper) |
| 84321503 | others - dial ring (lower) |
| 86510069 | others - conducting plate |
| 03E36AW | others - (small hand (9h)) |
| 82721700 | others - case ring |
| 04E44AR | others - (small hand(12h)) |
| 04E46AA | others - small hand (6h) |
| 04Y06ADH | others - hour hand |
| 12CA2MKH | others - hour hand |
| 12CA2MKM | others - minute hand |
Caliber 7T42
Other models with the same movement
| 7T42-6A00 |
| 7T42-6A0A |
| 7T42-6A0B |
| 7T42-6A10 |
| 7T42-6A20 |
| 7T42-6A49 |
| 7T42-6A50 |
| 7T42-6A5A |
| 7T42-6A60 |
| 7T42-6A6A |
| 7T42-7A00 |
| 7T42-7A20 |
| 7T42-7A2A |
| 7T42-7A39 |
| 7T42-7A40 |
| 7T42-7A4A |
| 7T42-7A4B |
| 7T42-7A50 |
| 7T42-7A5A |
| 7T42-7A5B |
| 7T42-F010 |
| 7T42-F01A |