ETA 2892-3025 Main Plate Incabloc

Product Description

The ETA 2892-3025 Main Plate Incabloc is a genuine Swiss-made shock protection component used on the main plate of ETA 2892 series movements. It helps protect the jewel/balance assembly from impacts and supports stable performance after shocks, making it an essential replacement part during professional servicing and overhauls. Ideal for restoring original function when the existing Incabloc setting is worn, damaged, or missing.

Features & Function

• Genuine ETA/Incabloc part – authentic Swiss-made shock protection component for the ETA 2892 movement

• Main plate shock protection – houses the lower balance jewel setting (Incabloc system) on the main plate side

• Proven Incabloc technology – lyre-shaped spring absorbs shocks and protects the balance staff pivot

• Essential for servicing – a commonly replaced component during professional overhauls

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

Specifications

• Part Number: 2892-3025 / 3025

• Compatible Movement: ETA 2892 series (including 2892-2, 2892-A2, and related calibers)

• Movement Diameter: 25.6 mm (11½”’)

• Movement Height: 3.60 mm

• Jewels: 21

• Frequency: 28,800 vph (4 Hz)

• Power Reserve: ~42 hours

• Shock Protection: Incabloc system (main plate side)

• Origin: Switzerland (ETA / Incabloc factory part)

• Condition: Brand new

Applications

• Service and overhaul of ETA 2892 family movements

• Balance assembly repair – replacing worn or damaged main plate shock jewels

• Shock protection restoration – restoring proper impact protection after balance staff replacement

• Suitable for professional watchmakers and experienced repair technicians

FAQs

1. Is this a genuine ETA/Incabloc part?

Yes, this is a genuine Incabloc shock protection component used in ETA 2892 movements, made in Switzerland. Incabloc is the standard shock protection system on the ETA 2892-A2.

2. Which movements is this Incabloc compatible with?

This Incabloc component is compatible with the ETA 2892 family of movements, including the widely used 2892-A2 variant. It is positioned on the main plate side of the movement.

3. What is the function of the main plate Incabloc?

The main plate Incabloc is the lower shock absorber setting that supports the lower balance staff pivot on the main plate side. Together with the balance cock Incabloc (3024), it protects both ends of the balance staff from impact damage.

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