The Seiko 7S55-0020 is a watch model based on the 7S55 movement.
Parts List
| 290P02HN03 | crystal - crystal |
| 9K45A3SNG0 | crown - crown |
| 9K45A3SNW0 | crown - crown |
| FE298BAD2 | case back gasket - case back gasket |
| 86620310 | crystal gasket - plastic gasket for crystal |
| 86620315 | crystal gasket - plastic gasket for crystal |
| 4932JB | band - band |
| 4932LB | band - band |
| 4932JB-LK2 | band - link |
| 4932LB-LK4 | band - link |
| 4932JB-PB2 | clasp - parts for buckle |
| 4932LB-PB2 | clasp - parts for buckle |
| 4932JB-BKA | clasp - buckle |
| 4932LB-BKA | clasp - buckle |
| 1FB080LKBTG | others - hour hand |
| 2FB115LGBTG | others - minute hand |
| 2FB115LGBTS | others - minute hand |
| 1FB080LKBTS | others - hour hand |
| 3BA135F1BNG | others - second hand |
| 3BA135F1BNS | others - second hand |
| 0351260 | others - winding stem |
| 86621370 | others - plastic gasket for crystal |
| DE010BAA1 | others - crown and stem gasket |
| 250P03L20A | others - crystal(case back) |
| 7S55002061A | others - case |
| 0878270 | others - date dial |
| 0878271 | others - date dial |
| 7S55002061B | others - case |
| 7S5500206YA | others - case |
| 4932LB-EP2 | others - endpiece |
| 7S550034XB13 | others - dial |
| 7S550034XS13 | others - dial |
| 7S550034XS14 | others - dial |
| 7S5523B | others - machine code |
| 7S5524B | others - machine code |
| 84323238 | others - dial ring |
| 8432323A | others - dial ring |
| A190BS | others - push pin |
Caliber 7S55
Other models with the same movement
| 7S55-0010 |