ETA 2000-1141 Movement Automatic Device Lower Bridge

Product Description

The ETA 2000-1141 Movement Automatic Device Lower Bridge is a genuine Swiss-made component for the ETA 2000 automatic movement family. As part of the automatic winding module, this lower bridge supports the rotor and the automatic winding train, providing a stable foundation for the self-winding mechanism . It is a factory-assembled, nickel-plated part that must be replaced if damaged to restore proper automatic winding function.

Features & Function

• Genuine ETA part – authentic Swiss-made component for ETA 2000 calibers, factory-assembled and nickel-plated 

• Automatic winding module component – provides stable support for the rotor and the automatic winding train

• Works with upper bridge (1142) – forms the complete automatic device bridge assembly

• Direct replacement – drop-in replacement for damaged or worn lower bridges

• Precision-engineered – manufactured to ETA’s original specifications

Specifications

• Part Number: 2000-1141 / 1141 

• Article Number: 24

• Compatible Movement: ETA 2000, ETA 2000-1 (Longines L595/L592)

• Movement Diameter: 19.4 mm (8¾”’) 

• Movement Height: 3.6 mm

• Jewels: 20 

• Frequency: 28,800 vph (4 Hz) 

• Power Reserve: ~40 hours 

• Origin: Switzerland (ETA factory part)

• Condition: Brand new

Applications

• Service and overhaul of ETA 2000 and 2000-1 movements

• Automatic winding system repair – replacing damaged or worn lower bridges

• Rotor assembly restoration – ensuring stable support for the oscillating weight

• Suitable for professional watchmakers and experienced repair technicians

FAQs

1. Is this a genuine ETA part?

Yes, this is a genuine ETA factory part (reference 2000-1141), made in Switzerland. It is listed in official ETA parts documentation as the “Auto Device Lower Bridge” and is not an aftermarket or generic copy .

2. Which movements is this lower bridge compatible with?

This lower bridge is specifically designed for the ETA 2000 and ETA 2000-1 calibers . The 2000-1 is an improved version introduced around 1997/98, featuring optimised wheel train teeth counts and rotor design, but shares the same bridge architecture.

3. What is the difference between the lower bridge (1141) and upper bridge (1142)?

The lower bridge (1141) and upper bridge (1142) work together to form the complete automatic device bridge assembly. The 1141 is the lower part that provides the foundation for the automatic winding module, while the 1142 sits above it, supporting the rotor.

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