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Forster 191
(Foresta)
Ligne: 11.5'''
Jewels: 17/21/25
Power Reserve: 38 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1960
Diameter: 26 mm
Hands: 1.30 x 0.90 x 0.22 mm
The Forster 191 watch movement is a detached manual wind movement that shares similarities with the 1572 and 1578 movements, although specific differences between them remain unknown. Additionally, the 1659 movement features automatic winding, a sweep second function, and a date display that can be set by changing the 20-24h position. This movement was commonly used around the period of 1960.
The Forster 191 features the following functions:
- Automatic Winding
- Date, set by changing 20-24h
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3605 | Ordinary/None | Buy staff |
| 5479 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.100 x 280 x 8.5 mm | GR3952X | Auto | Buy mainspring |
| 1.45 x 0.100 x 250 x 8.5 mm | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| GIB/BOLT INCA 240X19 THICK | 400/1 | 180.19/INCA #11 | Buy part |
| JEWEL, INCA BALANCE 135X50X10 | 400/12 | 111.10/INCA #9 | Buy part |
| JEWEL, INCA UPPER CAP 120X27 | 400/7 | 121.11/INCA #5 | Buy part |
| JEWEL, UPPER CAP INCA 120X18 | 400/8 | 122.11/INCA #6 | Buy part |
| SCREW, INCA SHOCK 18X60 | 400/3 | 160.11/INCA #15 | Buy part |
| SHOCK SPRING, UPPER INCABLOC | 400/4 | 170.03/INCA #1 | Buy part |
| SHOCK UNIT COMPLETE, LOWER | 400/33 | 100.20.10 | Buy part |
| SHOCK UNIT, UPPER D310 P10 | 400/840 | 100.11.310.10 | Buy part |
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