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Eterna 51
Ligne: 8.75'''
Jewels: 15
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1925
Diameter: 19.8 mm
Height: 3.3 mm
Hands: 1.10 x 0.65 mm
The Eterna 51 is a mechanical watch movement with manual wind and sub-second functions. It belongs to a series of watch movements that include the 361-367, 500, 501, and 505-509, with specific differences between them that are not currently known. The Eterna 51 movement was produced around 1925.
The Eterna 51 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.090 x 220 x 7.0 mm | GR3217 | Manual | Buy mainspring |
| 1.20 x 0.080 x 220 x 7.0 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 |
|---|
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