The Seiko 7T27-7A40 is a watch model based on the 7T27 movement.
Parts List
| 300P03TNC3 | crystal - crystal |
| 8K60A0SNW1 | crown - crown |
| 0351580 | crown - winding stem |
| FH3080B0A | case back gasket - case back gasket |
| 86178610 | crystal gasket - plastic gasket for crystal |
| 86179271 | bezel gasket - plastic gasket for bezel |
| EC0060B01 | pusher - pusher gasket |
| 80604229 | pusher |
| DB80AB | band - band |
| DB81AB | band - band |
| 3BA032FMBFB | others - sub hand |
| 1AB080F0BFW | others - hour hand |
| 1CA027AMBAB | others - small hand (6h) |
| 3BA032FMBFD | others - sub hand |
| 1CA027AMBAS | others - small hand (6h) |
| 2BB120F0BFW | others - minute hand |
| 3AX125FNAAW | others - second hand |
| 3AX125FNAAB | others - second hand |
| 1AB080F0BFF | others - hour hand |
| 2BB120F0BFF | others - minute hand |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| 7T277A4061 | others - case |
| 82289709 | others - bezel |
| 7T277A40 | others - case back |
| 7T277A4061A | others - case |
| 0866601 | others - holding ring for dial |
| 0878743 | others - date dial |
| 0878744 | others - date dial |
| 7T274 | others - machine code |
| 7T277A50XB19 | others - dial |
| 7T277A50XS19 | others - dial |
| 7T277A60XS19 | others - dial |
| 84326103 | others - dial ring |
| 84326104 | others - dial ring |
| 86510089 | others - conducting plate |
| A180BS | others - push pin |
| 81400829 | others - button spring clip |
| 0Z0060B01 | others - crown and stem gasket |
Other models with the same movement