The Seiko 7A28-7001 is a watch model based on the 7A28 movement.
Parts List
| 320W42GN00 | crystal |
| 45M60NK1 | crown |
| 45M60NN1 | crown - crown |
| 45M60NS1 | crown - crown weiss |
| 45M60N01 | crown |
| FH3180B0A | case back gasket - case back gasket |
| EC00600B0A | case back gasket |
| FH3180B01 | case back gasket - case back gasket |
| 86566880 | crystal gasket - plastic gasket for crystal |
| EC0060B01 | pusher - pusher gasket |
| 806006492 | pusher |
| 80600689 | pusher - button(10h) |
| 806006493 | pusher |
| 80601009 | pusher - button |
| 80600983 | pusher |
| AA01B | band - band |
| B1091S | band - metal band |
| B1091S-LKS | band - link |
| B1091S-PB1 | clasp - parts for buckle/clasp |
| B1091S-BK1S | clasp - clasp |
| 04E18AW | others - sub hand |
| 12BJ0DNH | others - hour hand |
| 12BJ0DNM | others - minute hand |
| 12SC10AN | others - second hand |
| 81500540 | others - button spring(other pos.) |
| 81500560 | others - button spring(other pos.) |
| 7A28700161 | others - case |
| 7A287000X989 | others - dial |
| 7A287100X989 | others - dial |
| 7A289 | others - machine code |
| 81501543 | others - screw |
| 81501549 | others - screw |
| 84304784 | others - dial ring (upper) |
| 84304804 | others - dial ring (lower) |
| 89902209 | others - roll paper cover (holder) |
| A180CS | others - push pin |
| 80600984 | others - push button(other pos.) |
| 0354726 | others - winding stem |
| 81350540 | others - button spring |
| EC0060B0A | others - button gasket |
| 83200271 | others - button spring clip |
| 81350560 | others - button spring |
| 81400829 | others - button spring clip |
Caliber 7A28
