Ciso Tool
Ciso Tool
Discover our high-precision catalog, featuring industry-proven components engineered to meet exact mechanical requirements across watch movements, smart devices, and horological tools.
Within a mechanical movement, the watch pivot is an essential mechanical interface. Positioned at both ends of a gear wheel axis—most notably the balance staff, escape wheel arbor, and gear train staffs—the pivot guides rotational movement while minimizing friction. Even minor deviations in shape, alignment, or finish can increase frictional torque, affecting amplitude, timekeeping consistency, and the operational life of the movement.
Modern horological design requires pivots to function under high pressures within synthetic ruby jewel bearings, often without traditional lubrication in advanced assemblies. Achieving this requires precision manufacturing, specialized metallurgy, and strict quality control. Dongguan Ciso Tool Co., Ltd. applies advanced engineering to meet these demanding micro-machining standards, supplying durable pivots to watchmakers worldwide.
Dongguan Ciso Tool Co., Ltd. was founded in 2006 and is a professional manufacturer specializing in the research, development, and production of mid-to-high-end precision watch components and complete watch solutions. Formerly operating under an earlier corporate structure, the company has grown into a modern manufacturing enterprise with strong integrated capabilities across design, engineering, and precision production.
The company operates an independent industrial facility covering over 20,000 square meters and employs more than 500 skilled staff members, including a dedicated R&D team of over 60 professionals. With advanced production equipment, strict quality control systems, and experienced technical personnel, Ciso is committed to delivering high-precision, high-consistency products for global watch brands.
Ciso focuses on the R&D and manufacturing of premium watch accessories, including watch dials, watch cases, watch straps, watch buckles, and precious metal components such as 18K gold watch parts and fine jewelry accessories. In addition, the company provides full ODM and OEM services, supporting complete watch customization from concept design and prototyping to mass production and assembly.
Guided by the principle of “Quality First, Integrity Supreme,” Ciso emphasizes excellence in every production process. The company implements rigorous quality assurance protocols, ensuring that each product meets international standards for durability, precision, and aesthetic refinement.
Through consistent quality and reliable service, Dongguan Ciso Tool Co., Ltd. has established long-term partnerships with well-known domestic brands and continues to expand its presence in global markets. The company is committed to honest cooperation, mutual growth, and long-term value creation with international watch brands, striving to elevate the artistry and innovation of modern watchmaking.
Combining technical expertise, large-scale facilities, and a dedicated team, we deliver consistent precision at scale.
How evolving technical demands, advanced materials, and manufacturing automation are redefining precision component production.
Modern escapements require tolerances within ±1 micron (0.001mm). Achieving this level of accuracy prevents unwanted play in the gear train, stabilizing the gear mesh and reducing energy loss across the movement.
Traditional steel components are susceptible to magnetic fields, which can disrupt timekeeping. The industry is adopting non-magnetic alloys, specialized stainless steels, and silicon-based materials to maintain accuracy in everyday environments.
Pivots are increasingly coated with DLC to lower friction and increase wear resistance. This treatment reduces reliance on liquid lubricants, extending service intervals and improving long-term movement stability.
Key quality, consistency, and compliance standards that procurement managers prioritize when selecting precision component suppliers.
Consistent performance depends on quality materials. High-carbon steels must have uniform grain structures and zero internal voids to prevent structural failures during high-speed CNC turning, hardening, and polishing.
Leading brands require raw material and process traceability for every batch. Ciso implements structural quality checkpoints throughout manufacturing to ensure dimensional accuracy from raw wire to finished parts.
With fluctuation in material costs and shipping logistics, watch brands seek manufacturing partners with stable operations. Ciso's 20,000 m² facility and in-house capabilities protect against supply chain interruptions.
Horological technology has diverged into two high-growth segments: high-complication mechanical movements and connected smart wearables. Each presents distinct engineering challenges. Mechanical movements require micro-tolerances for gears, hairsprings, and balance staffs to optimize energy efficiency. Smartwatches require durable structural components, IP-rated seals, and customized metal elements to protect complex electronics from daily wear.
Ciso bridges these segments by supplying both precision-turned internal components and rugged external assemblies. Our facilities produce watch cases, crowns, quick-release spring bars, and elastomeric seals designed to protect delicate mechanical and electronic assemblies from environmental exposure.
A look inside our 20,000 square meter facility, featuring automated machining, precision wire cutting, and assembly operations.
Exporting components worldwide requires compliance with international standards. Our manufacturing processes meet European RoHS, REACH, and California Proposition 65 requirements, ensuring all components are free from restricted substances and hazardous heavy metals.
We provide complete material certificates and compliance documentation with every shipment. To support our global clients, we maintain technical service teams to assist with engineering requests, design modifications, and supply-chain logistics.
Our operations follow ISO 9001 quality management guidelines, ensuring consistency from initial design to final inspection.
Materials and finishes comply with European RoHS standards, supporting environmental safety in global markets.
Our strategic development plan for new materials, automated quality controls, and advanced micro-manufacturing.
Upgrading our Swiss-type CNC capabilities to achieve sub-micron tolerances for complex multi-axis parts, reducing the need for secondary operations.
Integrating AI-driven optical systems to perform 100% inspection on production runs, detecting micro-surface flaws and dimensional deviations in real time.
Developing silicon-nitride ceramic pivots and advanced coatings to minimize frictional torque and extend movement lifespan without fluid lubrication.
Common technical questions regarding watch pivot materials, tolerances, customization, and production logistics.
High-precision watch pivots are typically made from high-carbon steels, such as Sandvik 20AP, or hardened stainless steels. These materials provide the necessary toughness and wear resistance after heat treatment. The core is hardened to between 700 and 800 HV, and then burnished to minimize friction inside synthetic ruby bearings.
Using CNC Swiss-type automatic lathes and specialized finishing equipment, we can achieve tolerances of ±0.001 mm (1 micron) on pivot diameters. We monitor concentricity and roundness to maintain consistent performance across large production volumes.
To minimize friction, we burnish the pivot arbors using specialized carbide wheels. This process compresses the outer layer of the steel, improving hardness and reducing surface roughness to a sub-micron finish (Ra < 0.05 μm).
Yes, we offer ODM and OEM services to support custom watches, smart wearable assemblies, and mechanical movements. Our engineering team works with clients from prototype design through to final mass production.
Lead times vary depending on design complexity and production volume. Tooling and prototype samples typically require 15 to 25 days, while bulk production runs generally take 30 to 45 days. We establish delivery schedules with clients during project setup.
Explore our range of precision replacement parts, assembly components, and marking equipment designed to support watchmaking and manufacturing facilities.
