ETA 7750-2611 Jumpers Spring

Product Description

Genuine ETA 7750-2611 Jumpers Spring, Made in Switzerland, brand new — the original factory spring component for the ETA/Valjoux 7750 chronograph movement’s date and corrector mechanism. Precisely engineered to apply calibrated spring tension that locks the jumper components in precise positions, the Jumpers Spring ensures positive detent engagement for the date jumping and chronograph corrector functions. An essential replacement part for restoring fatigued spring tension during movement service. Original ETA part — the professional’s choice for genuine corrector mechanism restoration.

Features & Function

• Genuine ETA 7750-2611 — original Swiss-made factory part, brand new, authentic, part number 7750-2611
• Jumpers spring — applies calibrated spring tension to lock jumper components in precise detent positions
• Date jumping mechanism — ensures the date jumper holds the date disc in correct position between jumps
• Corrector mechanism support — provides spring force for chronograph corrector jumpers to lock in clicked positions
• Original factory quality — exact spring tension and dimensional specifications for perfect fit in the ETA/Valjoux 7750 movement

Specifications

Applications

• Replacement of fatigued, weakened, or broken Jumpers Spring in the ETA/Valjoux 7750 movement
• Repair of date mechanism failures: date disc not locking in position, date jumping erratically, or date skipping
• Repair of corrector mechanism issues: chronograph correctors not locking in clicked positions
• Repair of jumper detent failures: jumpers not holding position with positive engagement
• Professional movement service, overhaul, and chronograph restoration

FAQ

Q1: Is this a genuine ETA part?
A: Yes — this is a genuine ETA 7750-2611 Jumpers Spring, 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/Valjoux 7750 chronograph. The part number 7750-2611 is the specific Jumpers Spring for the date and corrector mechanism in this movement. Common brand applications include: IWC Portugieser Chronograph, Omega Speedmaster (older 7750 variant), Tag Heuer Monaco, Breitling Navitimer, and many other chronographs using the Valjoux/ETA 7750 platform.

Q3: What does the Jumpers Spring do?
A: The Jumpers Spring (7750-2611) is a calibrated spring that provides spring tension to the jumper components in the 7750’s date and corrector mechanism. In a mechanical watch, a jumper is a spring-loaded lever that holds a rotating component in precise positions by snapping into detents (notches). The Jumpers Spring provides the elastic force that pushes the jumper into these notches, creating the characteristic detent click and ensuring positive positional locking. Without sufficient spring tension, the jumper cannot hold the component in place, causing the date to jump erratically, skip positions, or the chronograph corrector to not lock properly.

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