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Gruen 103
Ligne: 10.5'''
Jewels: 17/21
Power Reserve: 51 hrs
Frequency: 18000 vph
Type: Manual Wind
Diameter: 23.7 mm
Height: 4.0 mm
Hands: 1.30 x 0.90 x 0.21 mm
Base: Fontainemelon 67
The Gruen 103 watch movement is a manual wind mechanical movement that features a sweep seconds function and a date complication. The date can be set by adjusting the time between 20:45 and 24 hours. The differences between the 67-4 and 676-4 models are not known, and there are variations in the bridge shapes used in this movement.
The Gruen 103 features the following functions:
- Date: set by changing 20:45-24h
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4101 | Ordinary/None | Buy staff |
| 5450 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.100 x 320 x 9.0 mm | GR3665 | 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 |
|---|---|---|---|
| CANNON PINION, HT 2.45 | 240/710 | Buy part | |
| MAINSPRING 1.40-.10-320 9 | MS-511M | GR 3665 | Buy part |
| PALLET ARBOR, S/S 40-100-10 | 72S/87P | 714/AS 1007 | Buy part |
| ROLLER 180X80X36 | 82S/41R | Buy part | |
| ROLLER, INCABLOC 180X80X36 | 82S/148R | 730/AUR 18 | Buy part |
| STAFF | 100/1281 | Buy part | |
| STAFF, HSP 60 INCA | 100/1206 | Buy part | |
| STEM | 200/1037F | Buy part | |
| STEM, FEMALE OA 9.30 | 360/301 | 360/FF 67 | Buy part |
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