Bangkok, Thailand, has long been globally recognized as a powerhouse in the gem and jewelry industry. In recent years, this rich heritage has seamlessly transitioned into the realm of luxury watchmaking, specifically positioning the city as a leading Diamond Quartz Watch Factory & Supplier hub. The local industrial status reflects a highly sophisticated ecosystem where master gem-setters collaborate with precision horological engineers. This synergy allows Bangkok-based factories to produce timepieces that are not merely instruments of time, but exquisite pieces of wearable art.
The integration of high-grade quartz movements—revered for their unparalleled accuracy and low maintenance—with meticulously sourced diamonds has created a booming niche market. As an OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) epicenter, Bangkok attracts global luxury brands seeking to outsource production without compromising on the stringent quality standards expected in high-end jewelry watches. The availability of skilled artisans locally ensures that intricate diamond pavé settings on watch bezels and dials are executed with flawless precision.
Commercially, the diamond quartz watch sector in Thailand is experiencing robust growth. Local suppliers are heavily investing in upgrading their facilities to meet international compliance and sustainability standards. The sourcing of ethical diamonds and the use of medical-grade stainless steel or precious metals have become the baseline for reputable factories in Bangkok. This commitment to quality has elevated the region from a traditional mass-production zone to a premium customized watch manufacturing destination, catering to European, North American, and affluent Asian markets.
When Ms. Leila started her business in 2009, the company’s name was actually KEDA. That means, if you describe someone as KEDA, you mean that they are an upward force, representing the rapid development and progress of the times. This is exactly what our country China needs for all people to progress and develop science and technology, so the progress of industry means that the national economic level is also improving. So it can be successful, which is why it was named “KEDA”.
In 2009, we met one of our good customers, IVAN, who trusted and was very friendly with our company. Knowing that we were a newly established company, he gave a lot of support. He always wrote "KEDA" as KODA, and KODA is very famous in Europe. So Ms. Leila changed our name to KODA, giving more meaning to the brand.







The landscape of watch manufacturing is undergoing a paradigm shift, driven by rapid technological advancements. As a forward-thinking Diamond Quartz Watch Factory in Bangkok, embracing these trends is not optional; it is imperative for survival and growth. The most prominent trend is the integration of Artificial Intelligence (AI) into both the design and production phases.
Traditionally, designing a diamond-studded quartz watch required months of manual drafting and physical prototyping. Today, AI algorithms analyze current fashion trends, ergonomic data, and material stress points to generate optimized 3D models in a fraction of the time. This technology allows our factory to offer clients rapid OEM/ODM prototyping. We can simulate how light will interact with different diamond cuts on the watch dial under various lighting conditions, ensuring maximum brilliance before a single physical component is manufactured.
On the assembly line, AI-powered computer vision systems have revolutionized quality control. When dealing with microscopic quartz movement gears and millimeter-sized diamonds, human error is a significant risk. Automated optical inspection (AOI) systems scan every assembled watch to detect misaligned hands, microscopic scratches on sapphire glass, or improperly set diamonds. This ensures that every timepiece leaving our Bangkok facility meets the absolute highest standards of luxury watchmaking.
Beyond digital technology, material science is a massive trend. Modern consumers demand luxury that is sustainable. The industry is seeing a surge in demand for lab-grown diamonds, which offer the exact chemical and optical properties of mined diamonds but with a vastly reduced environmental footprint. Paired with recycled stainless steel cases and highly efficient quartz movements that extend battery life to several years, the modern diamond quartz watch is becoming a symbol of eco-conscious luxury.

King services with all customer more satisfied.

Original raw material producing & assemble.

We will Developing new model with your ideas.

We will provide Absolute advantages.
From start to finish, Professional producing & Customizing always offer bespoke service. With more than 17 years of experience in Brand design R&D and engineering we can provide efficient solutions to demanding requirements.
The application of our manufactured diamond quartz watches extends far beyond standard retail. By understanding the local cultural and commercial landscape of Bangkok and the broader Southeast Asian market, we tailor our production to fit specific, high-demand scenarios.
Bangkok is home to some of the world's most luxurious shopping destinations, such as Siam Paragon and IconSiam. These malls cater not only to local elites but also to millions of international tourists. We supply bespoke diamond quartz watches that serve as exclusive, duty-free boutique offerings. These watches often incorporate localized design elements, such as subtle Thai silk patterns on the dial, making them perfect luxury souvenirs for high-net-worth travelers.
In the Thai business culture, establishing strong relationships through high-value corporate gifting is a standard practice. Large enterprises, banks, and conglomerates frequently commission our factory to produce limited-edition diamond quartz watches. These timepieces, featuring custom-engraved case backs and discreetly placed corporate logos, are awarded to top-tier executives, long-serving employees, or VIP clients, serving as a lasting symbol of prestige and gratitude.
There is a rising wave of independent Thai fashion and jewelry designers looking to expand into horology. However, they often lack the technical infrastructure to manufacture watches. As a premier OEM supplier, we bridge this gap. We provide end-to-end solutions, from sourcing reliable Japanese or Swiss quartz movements to setting the diamonds according to the designer's exact specifications, enabling local brands to compete on a global stage.
As You know, Koda Most Customers Are doing their own brand. Brand means Your Face. So it should get the Value quality service. Koda Watch always Focus on the Brand and checking the quality from the Raw material to Complete full watches.
We stand firmly behind our manufacturing excellence. Our dedicated after-sales team ensures that every client receives ongoing support, maintenance guidance, and swift resolutions, solidifying long-term partnerships.








Our production facilities are equipped with advanced production equipment and a complete quality inspection system.






When discussing luxury timepieces, the debate between mechanical and quartz movements is ever-present. However, for a Diamond Quartz Watch Factory, the choice of quartz is deliberate and highly advantageous for specific market segments. Quartz movements offer an unparalleled level of accuracy that mechanical watches simply cannot match without exorbitant costs. They are robust, require minimal maintenance, and are highly resistant to the environmental factors common in Southeast Asia, such as high humidity and temperature fluctuations.
By combining this reliable internal mechanism with the external opulence of carefully selected diamonds, we create a product that appeals to the modern consumer: someone who desires the prestige and aesthetic brilliance of high jewelry, but also demands the practical, "set-it-and-forget-it" convenience of a quartz watch. Whether serving as an everyday luxury accessory or a statement piece for special occasions, our timepieces manufactured here in Bangkok represent the pinnacle of accessible luxury and technical dependability. Partnering with us means securing a supply chain that values innovation, aesthetic mastery, and unyielding quality control.