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The Horotec MSA03.672 is a genuine Swiss‑made precision tool designed for adjusting the balance screws of the Omega Calibre 8500 movement and similar calibres. It features a square‑shaped tip that fits the balance wheel timing screws, enabling fine rate regulation. Brand new in original packaging.
Genuine Horotec – Swiss made, high precision.
Square tip – specifically for Omega 8500 balance screws.
Fine rate adjustment – enables accurate chronometer regulation.
Durable steel construction – long tool life.
Essential for professional movement servicing.
| Parameter | Value |
|---|---|
| Model | Horotec MSA03.672 |
| Function | Balance regulating tool (balance screws) |
| Tip shape | Square |
| Compatible calibers | Omega 8500 and similar |
| Origin | Swiss made |
| Condition | Brand new, original packaging |
Adjusting balance wheel timing screws on Omega Calibre 8500.
Suitable for other calibres using similar square‑head balance screws.
Professional watchmaking and service centres.
Q1: Is this a genuine Horotec tool?
Yes, genuine Swiss‑made Horotec, brand new.
Q2: Which calibres does it fit?
Omega 8500 and similar movements with square balance screws.
Q3: What is the tip shape?
Square, designed for Omega 8500 balance timing screws.
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.









