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Swiss-made generic mainspring compatible with Omega calibers 860, 861, and 1861, brand new and precision-manufactured. Engineered to deliver reliable power reserve and smooth torque delivery for these legendary Omega mechanical (Speedmaster) movements. An essential replacement component for watchmakers servicing Omega 860 / 861 / 1861 movements — ideal for certified watchmakers and repair technicians.
| Parameter | Value |
|---|---|
| Type | Mainspring |
| Origin | Made in Switzerland |
| Brand | Generic (aftermarket) |
| Compatibility | Omega caliber 860 / 861 / 1861 |
| Condition | Brand new |
| Application | Mechanical movement power source |
Q1: Is this a genuine Omega mainspring?
A: No — this is a Swiss-made generic (aftermarket) mainspring compatible with Omega 860 / 861 / 1861 calibers. It is not manufactured by Omega S.A., but produced in Switzerland to professional watchmaking standards.
Q2: Which movements does it fit?
A: This mainspring is designed for Omega caliber 860, 861, and 1861 mechanical movements (the legendary Speedmaster family) — please confirm your movement reference before ordering.
Q3: Is it safe to install?
A: Yes — the mainspring is brand new and Swiss-made to reliable standards. We recommend professional watchmaker installation for safe and correct fitting into the barrel.
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 [email protected] or WhatsApp +86 18620212114.
