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ETA 2722
Ligne: 11.5'''
Jewels: 25
Power Reserve: 40 hrs
Frequency: 28800 vph
Type: Automatic
Period used: 1977-
Diameter: 26 mm
Height: 2.95 mm
Hands: 1.60 x 1.20 x 0.25 mm
Base: Longines 990.1
The ETA 2722 is an automatic mechanical movement with a sweep second and a hack feature. Introduced in 1977, it holds the distinction of being the thinnest automatic movement with date and sweep second at that time. It features a micrometer regulator and incorporates two serially coupled barrels, one with a fixed spring and one with a slip spring. The movement is equivalent to the Lemania 8810, and it has been used in Longines watches since 1977.
The ETA 2722 features the following functions:
- Automatic Winding
- Hack feature
- Mechanical Movement
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BALANCE COMPLETE | 721/LON 990.1 | Buy part | |
| BARREL COMPLETE, LOWER (LARGE) | 180/2-LON 990.1 | Buy part | |
| BARREL COMPLETE, UPPER (SMALL) | 180/1-LON 990.1 | Buy part |
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