The Seiko 7T42-6A50 is a watch model based on the 7T42 movement.
Parts List
| 290WC8HE01 | crystal |
| 0351580 | crown - winding stem |
| 45M60NS1 | crown - crown weiss |
| 45M60NA1 | crown - crown |
| FH3180B0A | case back gasket - case back gasket |
| 86565321 | crystal gasket - plastic gasket for crystal |
| EC0060B01 | pusher - pusher gasket |
| 80602561 | pusher |
| 80602569 | pusher |
| Z1634S | band |
| Z1634C-LKG | band - link |
| Z1634S-LKS | band - link |
| ZRA30S | band - leather band |
| Z1634C | band |
| BRJ60G | band |
| Z1634C-PB1 | clasp - parts for buckle/clasp |
| Z1634S-BK2S | clasp - clasp |
| Z1634C-BK2S | clasp - clasp |
| Z1634S-PB1 | clasp - parts for buckle/clasp |
| 04E34HG | hand - small hand(12h) |
| 04E34HP | hand - small hand(12h) |
| 04E48AP | hand - small hand (6h) |
| 04Y06APH | hand - small hand (6h) |
| 11CA8KBM | others - minute hand |
| 11CA8KBH | others - hour hand |
| 04E48CG | others - sub hand |
| Z1634C-EPG | others - endpiece |
| Z1634S-EPS | others - endpiece |
| 03E16HE | others - (hand(special)) |
| 0Z3214B02 | others - rotating bezel gasket |
| 81350540 | others - button spring |
| 81400900 | others - button spring clip |
| 0866602 | others - holding ring for dial |
| 0878528 | others - date dial |
| 0878536 | others - date dial |
| 7T424 | others - machine code |
| 7T426A50 | others - case back |
| 7T426A5061 | others - case |
| 7T426A5098 | others - case |
| 7T426A6MXB13 | others - dial |
| 7T426A6MXG14 | others - dial |
| 81331789 | others - click spring |
| 84322363 | others - dial ring |
| 84322364 | others - dial ring |
| 86311323 | others - rotating bezel |
| 86311324 | others - rotating bezel |
| A200CS | others - push pin |
| 13SC06LA | others - second hand |
| 03E16HG | others - (hand(special)) |
| 81400829 | others - button spring clip |
| 13SC06PR | others - second hand |
| 11CA8KDM | others - minute hand |
| 11CA8KDH | others - hour hand |
| 04Y06FGH | others - hour hand |
Caliber 7T42







Other models with the same movement
| 7T42-6A00 |
| 7T42-6A0A |
| 7T42-6A0B |
| 7T42-6A10 |
| 7T42-6A20 |
| 7T42-6A49 |
| 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 |