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The ETA 2000-1 Movement Oscillating Weight (Longines Brand L 595.2) is a genuine Swiss-made component designed for the ETA 2000-1 automatic movement, as used in the Longines Caliber L595.2 . This oscillating weight (rotor) is a core component of the automatic winding system, converting wrist motion into mainspring energy . This brand new original part is essential for watchmakers restoring proper automatic winding function when the original rotor becomes worn or damaged.
Genuine ETA/Longines part – authentic Swiss-made component for the ETA 2000-1 / L595.2 movement
Automatic winding component – drives the bidirectional winding system via a ball-bearing rotor
Critical for self-winding – converts wrist motion into mainspring tension for the ~40-hour power reserve
Direct replacement – drop-in replacement for worn or damaged rotors
Precision-engineered – manufactured to ETA’s original specifications
Compatible Movements: ETA 2000-1, Longines Caliber L595.2
Movement Diameter: 19.4 mm (8¾”’)
Movement Height: 3.6 mm
Jewels: 20
Frequency: 28,800 vph (4 Hz)
Power Reserve: ~40 hours
Winding System: Bi-directional with ball-bearing rotor
Origin: Switzerland (ETA factory part)
Condition: Brand new
Service and overhaul of Longines Caliber L595.2 and ETA 2000-1 movements
Automatic winding repair – replacing worn or damaged oscillating weights
Rotor restoration – ensuring smooth and efficient self-winding
Suitable for professional watchmakers and experienced repair technicians
1. Is this a genuine ETA/Longines part?
Yes, this is a genuine ETA factory part used in the Longines L595.2 movement, made in Switzerland. It is not an aftermarket or generic copy. The Longines L595.2 is specifically based on the ETA 2000-1 caliber .
2. Which movements is this oscillating weight compatible with?
This oscillating weight is specifically designed for the ETA 2000-1 automatic movement and the Longines Caliber L595.2 which is based on it . The ETA 2000-1 is a compact 19.4 mm caliber introduced in 1992, primarily used in ladies’ watches .
3. What is the function of the oscillating weight?
The oscillating weight (rotor) is part of the automatic winding system that converts wrist motion into mainspring tension. The ETA 2000-1 features a ball-bearing rotor with bi-directional winding, efficiently winding the movement regardless of rotor direction .
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