---
description: Genuine ETA 6497-1 mainspring (ref. 771) — Swiss made, brand new, reliable power reserve. Original ETA spare part. Genuine ETA.
title: ETA 6497-1 771 Mainspring - Sofly
image: https://www.soflypart.com/wp-content/uploads/2020/12/DSC05891.jpg
---
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- **ETA 6497-1 771 Mainspring**
[](https://www.soflypart.com/wp-content/uploads/2020/12/DSC05891.jpg)
# ETA 6497-1 771 Mainspring
$14.00
You Saved
| Brand | Choose an option ETA- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 | — | $14.00 |
| 2 - 4 | 5% | $13.30 |
| 5 - 9 | 7% | $13.02 |
| 10 - 14 | 12% | $12.32 |
| 15+ | 15% | $11.90 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 | — | $14.00 |
| 2 - 4 | 5% | $13.30 |
| 5 - 9 | 7% | $13.02 |
| 10 - 14 | 12% | $12.32 |
| 15+ | 15% | $11.90 |
ETA 6497-1 771 Mainspring quantity
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## Product Description
**Genuine ETA 6497-1 mainspring (part no. 771), made in Switzerland and brand new.** Engineered to deliver **reliable power reserve and consistent torque** for the classic ETA 6497-1 hand-wound movement. An essential genuine ETA replacement component for watchmakers servicing 6497-1 movements — ideal for certified watchmakers and repair technicians.
## Features & Function
- **Genuine ETA mainspring** — Swiss-made, original ETA spare part (ref. 771), not a generic copy
- **For ETA 6497-1 movement** — precision-matched to this classic hand-wound caliber
- **Reliable power delivery** — smooth, consistent torque for accurate timekeeping
- **Brand new condition** — clean, ready-to-install genuine ETA component
- **Essential movement part** — for certified watchmakers and repair technicians
## Specifications
| Parameter | Value |
| --- | --- |
| **Type** | Mainspring |
| **Brand** | ETA (genuine) |
| **Origin** | Made in Switzerland |
| **Part Number** | 771 |
| **Compatibility** | ETA caliber 6497-1 |
| **Condition** | Brand new |
| **Application** | Hand-wound movement power source |
## Applications
- Replacing worn or broken mainsprings in ETA 6497-1 movements
- Professional movement servicing and overhaul with genuine ETA parts
- Certified watchmaker and repair technician genuine ETA part supply
- Watch repair workshop and service center equipment
- Restoring reliable power reserve to ETA 6497-1 hand-wound watches
## FAQ
**Q1: Is this a genuine ETA mainspring?**
A: Yes — this is a **genuine ETA 6497-1 mainspring (part no. 771)**, made in Switzerland. It is an original ETA spare part, not a generic or aftermarket copy.
**Q2: Which movement does it fit?**
A: This mainspring is designed for the **ETA caliber 6497-1** hand-wound movement — please confirm your movement reference before ordering.
**Q3: Is it safe to install?**
A: Yes — the mainspring is a **brand new genuine ETA component**. We recommend **professional watchmaker installation** for safe and correct fitting into the barrel.
## Why Choose SOFLY Watch Parts?
- Fast worldwide shipping within 3 business days.
- Competitive pricing on Seiko/Hattori calibers.
- 3,000+ watch movements and parts in stock.
- Trusted by watchmakers worldwide.
- Personalized sourcing support via **info@soflypart.com** or WhatsApp **+86 18620212114**.
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Features & Function Genuine ETA mainspring\u00a0\u2014 Swiss-made, original ETA spare part (ref. 771), not a generic copy For ETA 6497-1 movement\u00a0\u2014 precision-matched to this classic hand-wound caliber Reliable power delivery\u00a0\u2014 smooth, consistent torque for accurate timekeeping Brand new condition\u00a0\u2014 clean, ready-to-install genuine ETA component Essential movement part\u00a0\u2014 for certified watchmakers and repair technicians Specifications Parameter Value Type Mainspring Brand ETA (genuine) Origin Made in Switzerland Part Number 771 Compatibility ETA caliber 6497-1 Condition Brand new Application Hand-wound movement power source Applications Replacing worn or broken mainsprings in ETA 6497-1 movements Professional movement servicing and overhaul with genuine ETA parts Certified watchmaker and repair technician genuine ETA part supply Watch repair workshop and service center equipment Restoring reliable power reserve to ETA 6497-1 hand-wound watches FAQ Q1: Is this a genuine ETA mainspring? 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