Ciso Tool
Ciso Tool
Explore our engineering capabilities through our signature products, ranging from exhibition sapphire casebacks to medical-grade CNC smart wearable housings.
Analyzing key structural trends, material changes, and mechanical requirements shaping B2B procurement in the horology industry.
Modern luxury and diving casebacks require complex gasket systems (Vitron/HNBR) and threaded interfaces capable of withstanding pressures from 5 ATM up to extreme 100 ATM limits without cosmetic compromise.
While Marine-grade 316L/904L stainless steel remains an industry staple, demand is surging for medical-grade Titanium (Grade 5), carbon fiber composites, engineered ceramics, and synthetic sapphire crystals.
IoT and Health Tech casebacks now demand intricate optical sensor cavities, co-molded metallic contact rings for ECG features, and transparent window seals with sub-micron tolerances for signal integrity.
In horological engineering, the caseback is the functional shield that seals the internal movement. Sourcing directors choose between solid metal casebacks and exhibition (transparent) sapphire casebacks depending on user intent and target environment. Solid casebacks, engineered with screw-down geometry, offer maximum structural integrity and magnetic insulation (often combined with soft iron inner cases). Exhibition casebacks, conversely, utilize scratch-resistant sapphire mineral assemblies to showcase movement artistry. The seal between the crystal and the metallic outer rim requires precise interference fit tolerances within ±0.005mm, secured with premium Teflon gaskets to eliminate micro-gaps under high pressure.
Expert Procurement Insight: "For professional diving applications (ISO 6425), casebacks must support uniform thread engagement. A deviation of just 2 microns in thread pitch can lead to seal deformation at deep pressures, compromising the movement's integrity."
Founded in 2006, Dongguan Ciso Tool Co., Ltd. is a premier manufacturer specializing in the research, development, and production of mid-to-high-end precision watch components and complete horological hardware solutions. Over the past decades, Ciso has evolved into a modern, vertically integrated manufacturing enterprise with industry-leading design, machining, testing, and assembly services.
Operating an independent industrial complex exceeding 20,000 square meters and employing over 500 skilled professionals—including an R&D force of 60+ specialists—Ciso combines material science with micro-machining to service elite international brands.
Under our operational philosophy of "Quality First, Integrity Supreme", Ciso enforces a rigorous multi-stage quality assurance protocol. We ensure every structural component meets strict international watchmaking standards, including ISO 22810 waterproof compliance, REACH metallurgical safety, and high-gloss cosmetic refinement.
Quantifiable infrastructure supporting complex high-volume custom production runs for tier-1 watch brands.
In watch manufacturing, the capability to scale without diluting quality is the primary challenge for global brands. Dongguan, as a global precision hardware capital, boasts a complete supply chain ecosystem. At Dongguan Ciso Tool, we leverage this geographical cluster to streamline raw material procurement, thermal curing, surface polishing, physical vapor deposition (PVD) coating, and final assembly under a single regional node.
Our Factory 4.0 initiative couples traditional Swiss craftsmanship with CNC automation. Utilizing multi-station precision milling, drilling, and tapping machines alongside advanced CAM automatic lathes, we eliminate human variability in tooling. Automated optical inspection (AOI) setups run real-time checks on caseback thread pitch accuracy, ensuring zero batch-to-batch inconsistencies.
Direct technical answers to common B2B procurement queries concerning engineering, customization, and production logistics.
Complete your product line development with our technical accessories, protective structural bumpers, and eco-friendly presentation packaging.
