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The ETA / Valjoux 7750-8600 Hour Counting Wheel is a genuine Swiss-made replacement part designed for the iconic ETA 7750 automatic chronograph movement (also known as Valjoux 7750). This component plays a critical role in the chronograph module, ensuring accurate hour recording during timing operations.
Genuine Swiss Part – Manufactured by ETA for precision and reliability.
Compatible Movement – Fits ETA 7750 and Valjoux 7750 chronograph calibers.
Critical Function – Responsible for hour measurement in the chronograph system.
High Durability – Made with premium Swiss engineering standards.
Brand New Condition – Supplied in secure packaging for watchmakers.
| Parameter | Details |
|---|---|
| Part Name | Hour Counting Wheel |
| Caliber | ETA 7750 / Valjoux 7750 |
| Part Number | 8600 |
| Article Number | 56 |
| Origin | Switzerland |
| Condition | Brand New |
This hour counting wheel is used in ETA / Valjoux 7750-based chronograph watches, including models from TAG Heuer, IWC, Breitling, Omega, Tudor, and Longines. Ideal for professional servicing and precision repairs.
SOFLY provides high-quality watch parts trusted by professional watchmakers worldwide. With secure packaging, reliable sourcing, and fast global shipping, we ensure every replacement part meets your repair needs.
Q1: Is this part compatible with both ETA 7750 and Valjoux 7750 movements?
A1: Yes, ETA 7750 and Valjoux 7750 refer to the same movement lineage. This part fits both versions.
Q2: What function does the hour counting wheel serve?
A2: It records elapsed hours in the chronograph mechanism, ensuring accurate time measurement during extended timing.
Q3: Can this be used for all brands with ETA 7750 inside?
A3: Yes, it is suitable for all watches powered by the ETA / Valjoux 7750 chronograph caliber, including major Swiss brands.
Q4: Is installation easy?
A4: Professional watchmaking tools and expertise are required for proper installation.
