Based on our CNC machining techonology, we can make apple watch case with 316L stainless steel, other watch cases we can make also,our processing including: CNC machining, CNC milling and turning, drilling, grinding, bending, stamping, tapping, injection, etc, Surface fnish:Zinc-plated, nickel-plated, chrome-plated, silver-plated, gold-plated, imitation gold-plated, etc;Tolerance: 0.001mm~0.1mm; QC System:100% inspection before shipment.