No products in the cart.
Return To ShopWatch Database
Seiko 5Y31-5840
The Seiko 5Y31-5840 watch movement features a sweep seconds function, a pin lever escapement, and a calendar complication.
The Seiko 5Y31-5840 features the following functions:
- Calendar
- Pin lever
- Sweep Seconds
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.130 x 500 x 13.0 mm | GR2998 | Manual | 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
All watch database content © EmmyWatch LLC. Unauthorized redistribution of content is strictly prohibited. All rights are reserved.
