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Generic mainspring for Jaeger‑LeCoultre Calibres 899 and 889 automatic movements. Restores original power reserve (approx. 38‑45h) and ensures smooth, consistent torque delivery. Aftermarket replacement for worn or broken original mainsprings.
Precision‑wound for JLC 899/889 – exact fit.
High‑grade alloy steel – durable, fatigue‑resistant.
Restores power reserve and amplitude.
Drop‑in replacement – no modification needed.
Affordable alternative to genuine JLC part.
| Parameter | Value |
|---|---|
| Compatible calibers | Jaeger‑LeCoultre 899, 889 |
| Function | Mainspring |
| Material | High‑grade alloy steel |
| Type | Aftermarket / Generic |
Replace worn or broken mainspring during service of JLC 899/889 movements.
Suitable for Master Ultra Thin, Master Control, Reverso, and other 899/889‑based models.
Professional watch repair.
Q1: Genuine JLC part?
No, generic aftermarket.
Q2: Which calibers?
JLC 899 and 889.
Q3: Self‑install?
Professional recommended (requires mainspring winding tool).
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.
