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The Omega 9300 Silicon Balance Wheel (ref. 7229300A4005118) is an original Swiss‑made OEM component for the Omega 9300 Co‑Axial chronograph movement. Crafted from high‑grade silicon, it provides exceptional anti‑magnetic performance, precision, and long‑term stability. This factory replacement restores the movement‘s original chronometer accuracy.
Genuine Omega part – 100% authentic, Swiss made.
Silicon (Si14) technology – lightweight, anti‑magnetic (>15,000 gauss), wear‑resistant.
Optimised for Co‑Axial escapement – ensures high precision and stable amplitude.
| Parameter | Value |
|---|---|
| Part number | 7229300A4005118 |
| Compatibility | Omega Calibre 9300 (Co‑Axial chronograph) |
| Material | Silicon (Si14) |
| Anti‑magnetic | >15,000 gauss |
Replace a broken or damaged silicon balance wheel during full service of Omega Calibre 9300.
Suitable for Speedmaster 9300 (e.g. 311.30.44.51.01.002, 311.92.44.51.01.003) and other 9300‑powered chronographs.
Q1: Is this a genuine Omega part?
Yes, it is 100% authentic, Swiss‑made Omega OEM.
Q2: Which calibers does it fit?
Omega Calibre 9300 only. Not compatible with 9301 or 9900.
Q3: Can a hobbyist install it?
No. Requires full escapement disassembly, timing adjustment, and specialised tools. Must be done by a qualified watchmaker.
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.
