ETA Caliber 2892-771 Mainspring

ETA Caliber 2892-771 Mainspring

$8.00
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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
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Product Description

Genuine ETA 2892-771 mainspring, made in Switzerland and brand new. Engineered to deliver reliable power reserve and consistent torque for the ETA 2892 (and compatible 2893) automatic movements. An essential genuine ETA replacement component for watchmakers servicing 2892 / 2893 calibers — 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 2892 & 2893 — precision-matched to these popular automatic calibers
  • 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 2892 / 2893
Condition Brand new
Application Automatic movement power source

Applications

  • Replacing worn or broken mainsprings in ETA 2892 and 2893 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 2892 / 2893 automatic watches

FAQ

Q1: Is this a genuine ETA mainspring?
A: Yes — this is a genuine ETA 2892-771 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 2892, and is also compatible with the ETA caliber 2893 — 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?

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  • Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.

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