China Make 3186 Movement Blue Balance Spring

Product Description

This China-made blue balance spring is an aftermarket compatible replacement designed specifically for 3186-type movements. It is intended for watch repair and servicing where the original balance spring needs replacement due to deformation, magnetization, or damage, offering a practical and cost-effective solution.

Features & Function

• Blue-colored alloy – visual match to Rolex-style Parachrom appearance

• Compatible with 3186-type movements – designed for drop-in replacement

• Magnetic-resistant properties – improved over basic steel springs

• Precision-wound coil for consistent oscillation

• Cost-effective alternative to genuine or OEM balance springs

Specifications

• Compatible Movement: 3186-type (and some 3185/3187 variants – verify fit)

• Material: Blue-colored alloy (visual replica of Parachrom)

• Type: Replacement balance spring only (not full balance assembly)

• Coil Shape: Flat / overcoil (as per 3186 spec)

• Color: Blue

• Origin: China (aftermarket)

• Packaging: Single unit in protective case

Applications

• Repair of 3186-type movements with damaged or magnetized balance springs

• Watch servicing and overhaul of Rolex-style GMT movements

• Replacement for deformed or broken balance springs

• Suitable for professional watchmakers and experienced repair technicians

FAQs

1. Is this a genuine Rolex balance spring or an aftermarket part?

This is an aftermarket replacement part made in China, not a genuine Rolex balance spring. It is designed as a compatible alternative for repair purposes.

2. Will this balance spring fit my 3186 movement?

It is specifically designed for 3186-type movements. However, due to variances in aftermarket parts, we recommend professional verification of compatibility before installation.

3. Is the blue color just for looks, or does it offer real performance benefits?

The blue color is visual, but the alloy material also offers improved anti-magnetic properties compared to standard steel springs. However, it does not match the full performance of genuine Rolex Parachrom.

Why Choose SOFLY Watch Parts?

• 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.