ETA 7750-8660 Detent
ETA 7750-8660 Detent - Image 2

ETA 7750-8660 Detent

$6.50
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Quantity Discount (%) Price
1 - 2 — $6.50
3 - 4 5 % $6.18
5 - 9 7 % $6.05
10 - 14 10 % $5.85
15+ 15 % $5.53
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Product Description

The ETA 7750-8660 Detent is a genuine Swiss-made component for the ETA 7750 series self-winding chronograph movement. As a critical component of the chronograph mechanism, the detent controls the start, stop, and reset functions of the chronograph module, ensuring precise and reliable button operation. This product is a brand new genuine ETA part and is the ideal choice for replacing worn components during service or repair of the 7750 movement.

Features & Function

  • Genuine ETA part – authentic Swiss-made component for the ETA 7750 movement

  • Chronograph mechanism component – controls start, stop, and reset functions

  • Critical for chronograph operation – ensures precise and reliable button operation

  • Direct replacement – drop-in replacement for worn or damaged detents

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

Specifications

  • Part Number: 7750-8660

  • Article Number: 30

  • Compatible Movements: ETA/Valjoux 7750, 7751, 7753, 7754, 7760, 7765

  • Function: Chronograph detent – controls start/stop/reset functions

  • Origin: Switzerland (ETA factory part)

  • Condition: Brand new

Applications

  • Service and overhaul of ETA 7750-series movements

  • Chronograph mechanism repair – replacing worn or damaged detents

  • Button function restoration – resolving unresponsive or sticky chronograph buttons

  • 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 7750-8660), made in Switzerland. It is not an aftermarket or generic copy.

2. Which movements is this detent compatible with?
This detent is compatible with the ETA/Valjoux 7750 and its variants, including 7751, 7753, 7754, 7760, and 7765.

3. What is the function of the detent in the chronograph mechanism?
The detent controls the start, stop, and reset functions of the chronograph module. It works with the operating lever and column wheel to ensure precise and reliable button operation.

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