ETA 2671-2556 Date Indicator Driving Wheel

Product Description

Genuine ETA 2671-2556 Date Indicator Driving Wheel, Made in Switzerland, brand new — the original factory gear component for the ETA 2671 automatic movement’s date mechanism. Precisely engineered to rotate continuously and drive the date indicator disc, the Date Indicator Driving Wheel receives power from the motion work and transmits rotational motion to advance the date display. An essential replacement part for restoring worn or damaged date driving wheel during movement service. Original ETA part — the professional’s choice for genuine date mechanism restoration.

Features & Function

• Genuine ETA 2671-2556 — original Swiss-made factory part, brand new, authentic, part number 2671-2556
• Date indicator driving wheel — rotates continuously to drive the date indicator disc
• Motion work transmission — receives power from the motion work and transmits it to advance the date display
• Precise gear engagement — engineered for smooth, reliable mesh with the date indicator disc
• Original factory quality — exact dimensional specifications for perfect fit in the ETA 2671 movement

Specifications

Applications

• Replacement of worn, damaged, or stripped Date Indicator Driving Wheel in ETA 2671 movement
• Repair of date mechanism failures: date not advancing automatically, date disc jamming, or date display issues
• Professional movement service, overhaul, and ladies’ watch restoration
• Certified watchmaker and service center parts supply
• Restoration of 2671-based ladies’ watches (Omega Constellation, Longines, Tissot, and other brands using 2671)

FAQ

Q1: Is this a genuine ETA part?
A: Yes — this is a genuine ETA 2671-2556 Date Indicator Driving Wheel, Made in Switzerland, brand new. It is an original factory part from ETA (Swatch Group), the world’s leading movement manufacturer. Not a generic or replica part.

Q2: How do I confirm this part fits my movement?
A: Confirm your movement is an ETA 2671 automatic movement (8.25 lignes, widely used in ladies’ watches). The part number 2671-2556 is the specific Date Indicator Driving Wheel for this movement. Common brand applications include: Omega Constellation (ladies), Longines La Grande Classique, Tissot Everytime, Certina DS, Hamilton Jazzmaster Lady, and many other ladies’ automatic watches using the ETA 2671 platform.

Q3: What does the Date Indicator Driving Wheel do?
A: The Date Indicator Driving Wheel is the gear that drives the date indicator disc. It receives rotational motion from the motion work (the intermediate wheel that connects the gear train to the calendar mechanism) and drives the date disc forward — rotating the date ring so that each new day brings the next date into the window. At midnight, the date jumper spring pushes against the advancing date ring, and the driving wheel continues its rotation to position the next date. A worn driving wheel causes the date disc to stop advancing, jam, or move erratically.

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