7009A Watch Balance Wheel with Hairspring – 7009 Movement Part
7009A Watch Balance Wheel with Hairspring – 7009 Movement Part
7009A Precision Watch Balance Wheel with Hairspring
Keep your mechanical timepiece running with pinpoint accuracy. This 7009A Balance Wheel with Hairspring is a precision-engineered replacement movement part designed for watchmakers and hobbyists working on 7009 calibre watches. The full-swing balance wheel assembly — hairspring included — ensures smooth, consistent oscillation for reliable timekeeping.
Product Highlights
- Compatible Model: Fits 7009 / 7009A watch movements
- Includes Hairspring: Complete balance wheel assembly — no additional parts needed
- Full Swing Action: Precision metal construction ensures stable oscillation amplitude
- Material: Durable metal alloy for lasting performance
- Compact Size: Approximately 3 × 3 cm — a perfect fit for standard 7009 calibre cases
- Quantity: 1 piece per pack
Who Is This For?
Whether you're a professional watchmaker or an enthusiastic hobbyist restoring a vintage timepiece, this genuine replacement balance wheel is an essential addition to your repair toolkit. The hairspring is pre-fitted, saving you valuable time during assembly.
Made in Mainland China.
Note: Screen colours may vary slightly from the actual product due to monitor settings and lighting conditions. Please allow a minor manual measurement tolerance of ±1–2 mm.
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Frequently Asked Questions
Q: Is this 7009A balance wheel compatible with all 7009 calibre movements?
A: Yes, this balance wheel assembly is designed specifically for the 7009 and 7009A calibre watch movements. Always verify your movement calibre number before ordering to ensure a correct fit.
Q: Does this balance wheel come with the hairspring already attached?
A: Yes, the hairspring is included and comes as a complete balance wheel assembly (full swing). No additional hairspring sourcing is required — simply install the unit into your 7009A movement.
Q: What tools do I need to install this balance wheel?
A: Standard watchmaking tools are recommended, including fine-point tweezers, a movement holder, and a case opener. This part is best installed by those with watchmaking experience or the guidance of a repair manual for the 7009 movement.