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Puw 660
Jewels: 17
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1910-1925
Diameter: 43.1 mm
Height: 6.65 mm
Hands: 1.65 x 0.92 / 0.25 mm
The Puw 660 watch movement, produced from 1910 to 1925, featured a hunter calibre (model 6) with a bimetallic screw balance and a Breguet hairspring. It included a negative stem mechanism and allowed switching between winding and setting with the stem. The movement incorporated a modified escapement and included the functions of stem winding (switching by crown or lever), sub second, and a hunter movement.
The Puw 660 features the following functions:
- Hunter Movement
- Stem wind, switching by crown or lever
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.64 x 0.190 x 560 x 16.0 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 |
|---|---|---|---|
| MAINSPRING 17.5-4.5-21.5 DBH | MS-JA104 | GR 6781-DBH | Buy part |
| STAFF, NEW .63 ROLLER 5.33 OA | 22BB/7 | 861/ELG P11 | Buy part |
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