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General 831
(Helvetia)
Ligne: 11.5'''
Jewels: 15/17/19/21
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 26 mm
Height: 4.15 mm
Hands: 1.50 x 0.90 x 0.21 mm
The General 831 manual wind movement, which was produced around 1955, incorporates a sweep second function. It shares similarities with other movements in the 1080 and 1100 series, including the 1081, 1085, 1087, 1089, 1095, 1097, 1099, 1141, 1143, 1145, 1147, 1149, 1155, 1157, 1175, 1177, 1179, 1181, 1183, and 1287.
The General 831 features the following functions:
- Manual Winding
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.110 x 290 x 9.5 mm | Manual | Buy mainspring | |
| 1.50 x 0.105 x 300 x 9.0 mm | GR4134 | Manual | 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 18X50 | 400/2 | 150.11/INCA #14 | 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 |
| UPPER UNIT D312 H10 | 103.11.312.10 | Buy part |
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