
$115.00
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This China-made blue balance spring is an aftermarket compatible replacement designed for 3186-type movements. It is intended for watch repair and servicing where a balance spring needs replacement due to deformation, magnetization, or damage.
Aftermarket Compatible Part – Designed as a replacement balance spring for 3186-type movements.
Blue Balance Spring – Blue-colored hairspring for restoration and repair needs.
For Repairs & Servicing – Suitable for replacing damaged, bent, or magnetized balance springs during overhaul.
Precision Component – Requires careful handling and regulation to achieve proper beat and rate performance.
Secure Packing – Shipped with protective packing to reduce deformation risk during transit.









