Chinese 7750 Clone Movement with Day and Date, Dandong Manufacture

Product Description

This Dandong 7750 clone automatic movement features a reliable day and date complication, designed as a functional alternative to Swiss 7750 calibers. It offers strong torque delivery and stable balance performance, making it widely used in modding, prototyping, or microbrand assembly projects.

Features & Function

• Automatic winding with bi-directional rotor

• Day and date complications with quick-set functions

• Chronograph function – start/stop/reset via pushers

• Hacking seconds for precise time setting

• Strong torque delivery – supports heavy hands and sub-dials

Specifications

• Movement Type: Automatic mechanical, self-winding chronograph

• Manufacturer: Dandong Watch Factory (China)

• Base Design: Clone of ETA/Valjoux 7750

• Diameter: 30.0 mm (13¼ lignes)

• Thickness: 7.9 mm

• Jewels: 25

• Frequency: 28,800 vph (4 Hz)

• Power Reserve: ~42 hours

• Complications: Day, Date (quick-set), Chronograph

• Hacking: Yes

• Winding: Bi-directional automatic + manual

• Sub-dial Layout: 6-9-12 (running seconds at 9, 30-min counter at 12, 12-hour counter at 6)

Applications

• Custom watch builds and modding projects

• Microbrand watch assembly and small-batch production

• Prototyping for new watch designs

• Replacement for worn or damaged 7750-style movements

• Suitable for experienced watchmakers, modders, and microbrand founders

FAQs

1. Is this a genuine Swiss 7750 movement?

No, this is a clone movement manufactured by Dandong Watch Factory in China. It is designed as a functional alternative to the Swiss ETA/Valjoux 7750.

2. Is the Dandong 7750 compatible with Swiss 7750 parts?

The Dandong 7750 is a close dimensional clone, so many Swiss parts may fit. However, due to manufacturing tolerances, compatibility is not 100% guaranteed. Professional verification is recommended.

3. How does the quality compare to Swiss 7750?

The Dandong 7750 offers good value for modding and prototyping but has lower finishing quality and less strict QC compared to the Swiss original. It is best suited for hobbyist, non-critical applications.

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.