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Genuine Jaeger‑LeCoultre Caliber 899 barrel complete. Pre‑assembled mainspring unit for the 899 automatic movement, storing and releasing energy to drive the gear train. Restores original 70‑hour power reserve. Aftermarket replacement for worn or damaged original barrels.
Genuine JLC part – OEM specification.
Pre‑assembled unit – includes barrel, mainspring, arbor.
Redesigned barrel – accommodates longer, stronger mainspring.
70‑hour power reserve – ultra‑thin 3.3 mm height.
Drop‑in replacement – exact fit for Caliber 899.
| Parameter | Value |
|---|---|
| Caliber | Jaeger‑LeCoultre 899 |
| Movement height | 3.3 mm (ultra‑thin) |
| Power reserve | 70 hours |
| Jewels | 41 (2005‑2014) / 43 (later) |
| Frequency | 28,800 vph (4 Hz) |
| Condition | New OEM |
Direct replacement for worn/damaged original barrel during full service of Caliber 899.
Suitable for Master Ultra Thin, Master Control, Reverso and other 899‑powered models.
Professional watch repair only.
Q1: Is this a genuine JLC part? Yes, authentic OEM.
Q2: Which calibers does it fit? Caliber 899 family (base automatic).
Q3: What power reserve after replacement? 70 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.
