
Master Design Wholesale Watch Vs Factory Automatic Movement Sapphire Crystal Glass Mirror Watch. Sapphire Crystal Glass: Durable scratch-resistant sapphire crystal window for superior clarity. 72 Hours Power Reserve: Ultra-long battery life with 3230Dang dong movement lasting 72 hours. 150m Water Resistance: Waterproof depth of 10 bar suitable for swimming and water sports. OEM/ODM Customization: Flexible customization options including samples, designs, and full customization. Fast Sample Production: Sample production lead time typically takes 3-7 days. Comprehensive Quality Control: Includes scratch, tensile, timing, drop, and water resistance tests with CE RoHS certification. Global Shipment Options: Door-to-door express via DHL, UPS, FEDEX, TNT, or air and sea freight. Lifelong After-Sales Service: Lifetime support and solutions for any after-sales problems.