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Genuine ETA 7750-2576 Date Jumper, Made in Switzerland, brand new — the original factory spring-loaded component for the ETA/Valjoux 7750 chronograph movement’s date mechanism. Precisely engineered to apply spring tension that advances the date disc precisely at midnight, the date jumper controls the daily date transition from one day to the next. An essential replacement part for restoring faulty or worn date jumper components during movement service. Original ETA part — the professional’s choice for genuine date mechanism restoration.
| Parameter | Value |
|---|---|
| Brand | ETA (Swatch Group) |
| Part Number | 7750-2576 |
| Component | Date Jumper |
| Compatibility | ETA/Valjoux 7750 Chronograph Movement |
| Origin | Made in Switzerland |
| Type | Original Factory Part (Genuine ETA) |
| Function | Spring-loaded mechanism that advances the date disc at midnight |
| Packing | Original Packing |
| Condition | Brand New / Genuine ETA |
Q1: Is this a genuine ETA part?
A: Yes — this is a genuine ETA 7750-2576 Date Jumper, 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 with a date function (most 7750 movements include date at 3 o’clock). The part number 7750-2576 is the specific date jumper for this movement. Common brand applications include: IWC Portugieser Chronograph, Omega Speedmaster (older), Tag Heuer Monaco, Breitling Navitimer, and many other chronographs using the 7750 platform with a date display.
Q3: What does a date jumper do?
A: The date jumper is a spring-loaded lever in the date mechanism. At midnight, the date driving wheel pushes against the date jumper spring, which then releases and advances the date disc by one position. It controls the precise timing and force of the daily date change. A worn or broken date jumper causes symptoms such as: the date not advancing at all, advancing incompletely (stuck between two dates), or advancing too slowly.
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