Ciso Tool
Ciso Tool
A technical exploration into materials, dimensional tolerances, and mechanical interface systems that govern the modern watchmaking industry.
Within the mechanics of timepieces, the watch hands set represents both the primary interface of temporal communication and a critical micro-engineering node. Operating within tolerances measured in microns (μm), watch hands must reconcile minimal mass with maximum structural rigidity, ensuring balanced torque loads on movement gears. As a leading wholesale watch hands supplier and factory, our engineering methodologies focus heavily on optimizing physical properties: thickness uniformity, hand-collar concentricity, and counterweight calculation.
For global watch brands, sourcing watch hands is not merely a task of aesthetic selection. It requires complex material science alignment. Hand materials must exhibit exceptional resistance to deformation during high-speed dial sweeps or mechanical impacts, and display chemical stability when exposed to intense UV radiation and temperature fluctuations inside the watch case. From classic copper-based alloys to titanium and carbon composites, our production lines are optimized for micro-scale metal forming, laser cutting, diamond polishing, and galvanic finishing.
Concentricity Limit: Within ≤ 0.005 mm for perfect pivot alignment.
Hole Tolerance (Collet): ± 2μm for zero-play interface with movement shafts.
Material Selections: Brass, SUS316L, Grade 5 Titanium, 18K Gold, Carbon Fiber.
Luminous Integrity: ISO 17514 compliant Swiss Super-LumiNova® application.
Established in 2006, Ciso is a premier industrial force in the fabrication of mid-to-high-end watch parts and holistic horological components.
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.
Blending advanced automation, strict internal inspection, and modern CNC systems to ensure micro-component consistency.
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. Below is an overview of our specialized workshops and machining infrastructure:
Pioneering tomorrow's timekeeping indicators: Next-generation coatings, hybrid alloys, and green photoluminescence.
Transitioning from traditional brass alloys to high-strength aerospace components. We are actively deploying Silicon (Si), Grade 5 Titanium, and UD Carbon Composites. These lightweight materials minimize inertial drag, allowing movements to achieve higher power reserves and structural reliability.
Utilizing high-end Physical Vapor Deposition (PVD) and Chemical Vapor Deposition (CVD) to lay metallic barriers down to 0.1 microns. This enables complex, fade-resistant visual characteristics like deep volcanic gray, rose gold tones, and true non-reflective black.
Our micro-dispensing machinery deposits high-density Swiss Super-LumiNova® (Grade X1) compounds. Automated curing cycles ensure maximum pigment cohesion and exceptional glow longevity without sacrificing the mechanical integrity of the hand set.
Tailored manufacturing workflows for diverse mechanical movements and watch styles.
| Movement Target Class | Compatible Shaft Sizes (Hr / Min / Sec) | Material Preference | Applicable Target Markets |
|---|---|---|---|
| Japanese Calibers (e.g., NH35, NH36, Miyota 9015) | 1.50 / 0.89 / 0.21 mm | Precision Stamped Copper / Luminous filled | Microbrands, Dive Watches, Custom Mods |
| Swiss Chronographs (e.g., ETA 2824-2, SW200) | 1.50 / 0.90 / 0.25 mm | Diamond-cut Brass, Rhodium plated | Luxury Watch Brands, Boutique Horology |
| Smartwatch Micro-Drives (Hybrid Systems) | Ultra-custom customized collets | Engineered ABS, Ultra-thin Aluminium | Global Wearable Tech OEMs |
| High-End Skeleton & Tourbillon | Custom center shafts | Grade 5 Titanium, 18K Yellow/Rose Gold | Ultra-Luxury Brands, Limited Collections |
Global distributors and watch brands face a major challenge: finding a reliable supplier capable of managing both standard mass production and specialized, low-volume custom commissions. Dongguan Ciso Tool Co., Ltd. addresses this gap by utilizing modular tooling and multi-station drilling, tapping, and milling configurations. We customize our machinery to swap dies and collet tools quickly, allowing us to manage production batches from 500 sets to over 100,000 sets.
Every watch hand set undergoes multiple optical checks on high-magnification comparators. Technicians inspect the shape of each pointer, check the flatness of the surface to prevent friction against other hands, and measure the shaft-fitting tension. By checking the dimensional accuracy of the internal collet diameter down to ± 2μm, we guarantee that our watch hands fit securely on movement pinions, minimizing assembly failure rates on your production line.
Ensuring lower total cost of ownership (TCO) through strategic logistics, secure bulk packaging, and end-to-end component traceability.
Our raw materials (metals, plating salts, luminous compounds) are fully certified and traced back to their source. This level of traceability helps our clients maintain reliable product standards and confidently pass external audits.
To prevent damage, scratching, or deformation during international transit, our watch hands are packed in custom anti-static plastic blister trays. Each hand is secured in its own slot, ready for automated pick-and-place assembly lines.
We work with trusted international logistics providers to coordinate reliable, customs-cleared shipping options. This strategic management of transit channels helps prevent shipping delays and maintains a dependable inventory flow.
International watch components must meet strict chemical safety and environmental regulations. Dongguan Ciso Tool Co., Ltd. ensures all materials used in our watch hands, cases, and crowns comply with REACH and RoHS requirements. Our plating and chemical processes operate with modern waste-treatment systems to minimize environmental impact.
We source our raw metals and minerals through certified, ethical supply channels, avoiding materials linked to conflict zones. This helps protect the integrity of the brands we partner with, ensuring their products meet modern consumer expectations for sustainable and responsible manufacturing.
Expert answers regarding technical tolerances, order Minimum Order Quantities (MOQs), development lead times, and materials.
