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Eterna 1406U
Ligne: 16'''
Jewels: 15
Lift Angle: 40°
Power Reserve: 45 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1930
Diameter: 36.5 mm
Height: 3.1 mm
Hands: 1.67 x 0.99 / 0.25 mm
The Eterna 1406U watch movement is an open face calibre with a Breguet hairspring. It features a smoothly adjustable regulator. The differences between the 840 and 890 are not known. The movement includes the following functions: stem wind and set, sub second, sweep seconds. It was commonly used around the period of 1930.
The Eterna 1406U features the following functions:
- Stem wind and set
- Sub Second
- Sweep Seconds
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.170 x 500 x 15.0 mm | GR3397 | 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) |
|---|
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