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Junghans 688.13
Ligne: 12'''
Jewels: 17
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1952-1960
Diameter: 28 mm
Height: 5.5 mm
Hands: 1.30 x 0.84 x 0.21 mm
Base: A. Schild 1444
The Junghans 688.13 is a mechanical watch movement that was in production from 1952 to 1960. It offers the option of black rhodium plating and is equipped with an optional Incastar regulator. This regulator is unique in its large-scale production and features a free oscillating hairspring. The end of the spring is fixed between two rollers, allowing for the adjustment of its length and eliminating isochronism errors that can occur from the gap between the regulator pins. The Junghans 688.13 movement includes the functions of automatic winding and a sweep second hand.
The Junghans 688.13 features the following functions:
- Automatic Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3819 | Ordinary/None | Buy staff |
| 3819 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.35 x 0.090 x 280 x 8.5 mm | GR3498X | Auto | Buy mainspring |
| 1.35 x 0.090 x 250 x 8.0 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
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