No products in the cart.
Return To ShopWatch Database
Felsa 4021
Jewels: 17
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1905-1916
Diameter: 39.75 mm
Height: 5.0 mm
Hands: 1.50 x 0.92 / 0.26 mm
The Felsa 4021 watch movement is an open face calibre, model 3 timepiece produced in a quantity of 20,000 units from 1905 to 1916. It features a bimetallic screw balance and a Breguet hairspring, contributing to its precise timekeeping capabilities. The movement is equipped with a negative stem mechanism, allowing for stem winding and setting functionality. Additionally, it includes a sub-second function.
The Felsa 4021 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.05 x 0.200 x 520 x 15.5 mm | 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
| Part Description | Reference # | Alternate | Buy |
|---|
All watch database content © EmmyWatch LLC. Unauthorized redistribution of content is strictly prohibited. All rights are reserved.
