No products in the cart.
Return To ShopWatch Database
Seiko 1F20-5040
Jewels: 21
The Seiko 1F20-5040 is an open face calibre mechanical watch movement that is American made. It features a total of 21 jewels, signifying the number of bearings used to reduce friction within the movement.
The Seiko 1F20-5040 features the following functions:
- American Made
- Open Face Calibre
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
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
All watch database content © EmmyWatch LLC. Unauthorized redistribution of content is strictly prohibited. All rights are reserved.
