Ciso Tool
Explore our engineering-grade micro parts, watch glass, and specialized hardware designed for high-end movement setups
Precision Watch Component Pioneers Since 2006
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.
Understanding the micro-engineering thresholds that dictate modern horological manufacturing and market growth
The global luxury watch industry is experiencing a profound transition, driven by the synthesis of high-complication horology and micro-nanotechnology. Modern watch functional elements—including mechanical oscillators, escapement configurations, dual-time regulators, tourbillons, and advanced chronographs—are no longer merely utility-based devices. They have evolved into statements of structural mastery and high-precision design. Global demand for structural watch components, custom crowns, and premium case materials is experiencing a substantial CAGR, especially in regions with a high concentration of watch modification, custom horology collections, and high-end automotive-inspired timepieces.
"In the domain of luxury timepieces, a watch is only as reliable as its smallest component. Material performance under friction, anti-magnetic attributes, and extreme dimensional tolerances are the key pillars of modern horological execution."
Dongguan Ciso Tool Co., Ltd. sits at the heart of this global ecosystem. By offering customized OEM/ODM watch parts, including high-tolerance winding stems for legendary mechanical movements like the PP324, PP330, and Rolex Caliber 3135, Ciso fills a vital void in the aftermarket and boutique manufacturing pipeline. Horology movements require extreme reliability under micro-friction loads, necessitating specialized metallurgy, including high-grade SUS316L and SUS304 stainless steels, to withstand wear over decades of operational movement.
Utilizing high-performance 316L and 304 stainless steel alloys ensures non-magnetic and highly anti-corrosive characteristics, critical for keeping accurate time in mechanical watch gear trains.
Integrating semi-precious amethyst, sapphire crystals, and synthetic diamonds to elevate the mechanical aesthetic and provide high wear-resistance surfaces for watch movements and external bezels.
Achieving tolerances down to ±0.005mm through multi-axis CNC machines and automated tapping lathes, satisfying the requirements of luxury Swiss and Japanese chronographs.
The trajectory of high-precision materials engineering and component modularity in the watchmaking industry
The roadmap of modern micro-mechanical engineering focuses strongly on material optimization and modular components. Over the next decade, the industry is projected to pivot towards hybrid ceramic bezels, scratch-resistant sapphire structural watch bodies, and ultra-high-precision escapements utilizing silicon (Si) parts to circumvent the limitations of magnetism. Concurrently, watch crowns, case backs, and spring bars are moving towards tool-free quick-release systems that demand absolute geometric repeatability.
A closer look inside Dongguan Ciso Tool's advanced 20,000 square meter modern manufacturing footprint
Guided by our foundational principle of "Quality First, Integrity Supreme," Ciso operates a highly organized manufacturing ecosystem. From the deployment of CAM Automatic Lathes to the integration of Multi-station Precision Milling, Drilling, and Tapping hardware, each station operates under a continuous loop of quality inspections. Each watch crown, case back, spring bar, and custom winding stem undergoes meticulous engineering checks to prevent mechanical failure.
Comprehensive manufacturing frameworks supporting global watchmakers, custom modding houses, and large distributors
From custom 3D prototyping using computer-aided designs (CAD) to mass CNC production, we offer high-end custom watch modifications for NH35, 4R36, and SKX movements. This includes supplying customized bezels, cases, engraved case backs, and color-matched crowns to establish a uniform brand image for boutique micro-brands.
Offering precision components like winding stems (designed for PP324, PP330, Rolex 3135 movements) and spring bar watch pins to repair centers, distributors, and online modification suppliers. Our components undergo strict functional tests, guaranteeing compatibility and exact dimension matching with original caliber assemblies.
Integrating materials such as sapphire crystals (for optical and high-end timepiece applications), natural amethyst gemstone accents, and stainless steel hardware sets (including cufflinks and rings) to establish cross-category product collections for global lifestyle brands.
Expert insights on material selections, production tolerances, and custom development processes
Explore our OEM/ODM custom cases, quick-release pins, hands, and aftermarket movement replacements