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Generic mainspring for Patek Philippe Calibre 324 automatic movement. Stores energy to drive the gear train, restoring original power reserve and optimal winding performance. Aftermarket replacement for worn or broken original springs.
Precision‑wound for Calibre 324 barrel – exact fit.
High‑grade alloy steel – durable, fatigue‑resistant.
Restores 45‑hour power reserve and stable amplitude.
Drop‑in replacement – no movement modification.
| Parameter | Value |
|---|---|
| Compatible caliber | Patek Philippe 324 (SC, S QA LU, etc.) |
| Power reserve | approx. 45 hours |
| Frequency | 28,800 vph (4 Hz) |
| Material | High‑grade alloy steel |
| Type | Aftermarket |
Replace worn/broken mainspring during full service of Calibre 324.
Suitable for Calatrava, Nautilus, Aquanaut, and Annual Calendar models.
Professional watch repair only.
Q1: Genuine Patek Philippe part? No, generic aftermarket.
Q2: Which calibers fit? Calibre 324 family (324 SC, 324 S QA LU, etc.).
Q3: What power reserve after replacement? Approx. 45 hours.
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.
