No products in the cart.
Return To ShopWatch Database
Seiko 7N42-9021
The Seiko 7N42-9021 is an automatic watch movement that features a sweep seconds function.
The Seiko 7N42-9021 features the following functions:
- Automatic Winding
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.110 x 320 x 10.0 mm | GR3983X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BALANCE COMPLETE | 721/906 | /FEL 4000M | Buy part |
| MAINSPRING 1.45-.11-320 10 | MSS-WA41 | GR 3983-X | Buy part |
| PALLET ARBOR | 72S/46P | 714/GRU 225 | Buy part |
| ROLLER 180X70X36 | 82S/39R | Buy part | |
| ROLLER, INCABLOC 180X70X36 | 82S/146R | Buy part | |
| STAFF, INCA | 100/2142 | Buy part | |
| STAFF, REGULAR | 100/66 | Buy part |
All watch database content © EmmyWatch LLC. Unauthorized redistribution of content is strictly prohibited. All rights are reserved.
