ETA 2671-255 Hour Wheel

Product Description

The ETA 2671-255 Hour Wheel is a genuine Swiss-made component for the ETA 2671 automatic movement family. As a critical part of the motion work, the hour wheel drives the hour hand, receiving power from the minute wheel and turning at a 12:1 ratio to ensure correct hour hand positioning. Available in three height variants (H1, H2, H3) to accommodate different movement configurations, this brand new original part is essential for watchmakers restoring proper hour hand function and accurate time display when the original component becomes worn or damaged.

Features & Function

• Genuine ETA part – authentic Swiss-made component for the ETA 2671 movement

• Motion work component – drives the hour hand for accurate time display

• Three height variants – H1, H2, and H3 for different movement configurations

• Direct replacement – drop-in replacement for worn or damaged hour wheels

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

Specifications

• Part Number: 2671-255 / 255

• Article Number: 42

• Compatible Movement: ETA 2671

• Movement Diameter: 17.2 mm (7¾”’)

• Movement Height: 4.80 mm

• Jewels: 25 (movement total)

• Frequency: 28,800 vph (4 Hz)

• Power Reserve: ~38 hours

• Origin: Switzerland (ETA factory part)

• Condition: Brand new

Applications

• Service and overhaul of ETA 2671 movements

• Motion work repair – replacing worn or damaged hour wheels

• Hour hand restoration – ensuring smooth and accurate time display

• 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 2671-255), made in Switzerland. It is listed in official supply catalogs as “Assembled Hour Wheel” for the ETA 2671 movement.

2. Which height variant should I choose?

Choose the height variant based on your movement configuration and hand clearance requirements: H1, H2, or H3. Please verify your original part height before ordering.

3. What is the function of the hour wheel?

The hour wheel is part of the motion work that drives the hour hand. It receives power from the minute wheel and turns at a 12:1 ratio, ensuring the hour hand completes one rotation every 12 hours.

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