---
description: Genuine ETA 2671-771 mainspring — Swiss made, brand new, reliable power reserve. Original ETA spare part. Genuine ETA.
title: ETA 2671-771 Mainspring - Sofly
image: https://www.soflypart.com/wp-content/uploads/2020/12/DSC05891.jpg
---
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- **ETA 2671-771 Mainspring**
[](https://www.soflypart.com/wp-content/uploads/2020/12/DSC05891.jpg)
# ETA 2671-771 Mainspring
$8.00
You Saved
| Brand | Choose an option ETA- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 | — | $8.00 |
| 2 - 4 | 5% | $7.60 |
| 5 - 9 | 7% | $7.44 |
| 10 - 14 | 12% | $7.04 |
| 15+ | 15% | $6.80 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 | — | $8.00 |
| 2 - 4 | 5% | $7.60 |
| 5 - 9 | 7% | $7.44 |
| 10 - 14 | 12% | $7.04 |
| 15+ | 15% | $6.80 |
ETA 2671-771 Mainspring quantity
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## Product Description
**Genuine ETA 2671-771 mainspring, made in Switzerland and brand new.** Engineered to deliver **reliable power reserve and consistent torque** for the ETA 2671 compact automatic movement. An essential genuine ETA replacement component for watchmakers servicing 2671 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 2671 movement** — precision-matched to this compact automatic 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 2671 |
| **Condition** | Brand new |
| **Application** | Automatic movement power source |
## Applications
- Replacing worn or broken mainsprings in ETA 2671 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 2671 automatic watches
## FAQ
**Q1: Is this a genuine ETA mainspring?**
A: Yes — this is a **genuine ETA 2671-771 mainspring**, 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 2671** compact automatic 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 2671 movement\u00a0\u2014 precision-matched to this compact automatic 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 2671 Condition Brand new Application Automatic movement power source Applications Replacing worn or broken mainsprings in ETA 2671 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 2671 automatic watches FAQ Q1: Is this a genuine ETA mainspring? A: Yes \u2014 this is a\u00a0genuine ETA 2671-771 mainspring, 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\u00a0ETA caliber 2671\u00a0compact automatic movement \u2014 please confirm your movement reference before ordering. Q3: Is it safe to install? A: Yes \u2014 the mainspring is a\u00a0brand new genuine ETA component. We recommend\u00a0professional watchmaker installation\u00a0for 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\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/12/DSC05891-150x150.jpg","offers":{"@type":"Offer","description":"Product Description Genuine ETA 2671-771 mainspring, made in Switzerland and brand new.\u00a0Engineered to deliver\u00a0reliable power reserve and consistent torque\u00a0for the ETA 2671 compact automatic movement. An essential genuine ETA replacement component for watchmakers servicing 2671 movements \u2014 ideal for certified watchmakers and repair technicians. Features & Function Genuine ETA mainspring\u00a0\u2014 Swiss-made, original ETA spare part (ref. 771), not a generic copy For ETA 2671 movement\u00a0\u2014 precision-matched to this compact automatic 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 2671 Condition Brand new Application Automatic movement power source Applications Replacing worn or broken mainsprings in ETA 2671 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 2671 automatic watches FAQ Q1: Is this a genuine ETA mainspring? A: Yes \u2014 this is a\u00a0genuine ETA 2671-771 mainspring, 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\u00a0ETA caliber 2671\u00a0compact automatic movement \u2014 please confirm your movement reference before ordering. Q3: Is it safe to install? A: Yes \u2014 the mainspring is a\u00a0brand new genuine ETA component. We recommend\u00a0professional watchmaker installation\u00a0for 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. 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