The precision of our manufacturing process
We are committed to our quality, and this is a simple frameworks to demonstrate our production process
2/19/20241 min read


Our Commitment to Quality
Pre-production quality control:
1. Materials Warehouse & Initial Quality Control
All components undergo functional testing before entering production.
Quality Check #1: Water resistance, material integrity, and functional tests performed on incoming components.
2. Input Quality Control (IQC)
Components undergo specific testing tailored to their materials and function.
Quality Check #2: 100% of components visually inspected. Unqualified batches returned to suppliers.
3. Assembly in Dust-Free Environment
All critical assembly steps take place in our specialized dust-free environment.
Dial Assembly
Special procedures for solar dials with additional processing steps
Hand Setting
Automated and manual processes with extra care for chronograph watches
Case Assembly
Thorough dust removal before insertion into case
Crown & Case Back Installation
Specialized room for stem adjustment; screw-in backs for higher water resistance
4. Function & Performance Testing
Rigorous testing to ensure reliable performance and durability.
Quality Check #3: Initial functional testing and visual inspection
Quality Check #4: 24-hour continuous monitoring for timekeeping accuracy
Special Process for Solar Watches: 48-72 hour light exposure testing
5. Water Resistance Testing
All watches rated at 5ATM or higher undergo specialized water resistance testing.
Vacuum testing (air leakage detection)
Direct water testing for ultimate verification
6. Final Assembly, QA & Packaging
Final strap assembly, comprehensive quality assurance check, and secure packaging.
Quality Check #5: Final Quality Control (FQC) before shipping to ensure every watch meets our standards
Welcome to contact us for a factory visit!
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Contact
Email: winnie@topstarwatch.com.hk
Office: +852 29593822
Fax: +852 23703022
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