... 3.Sapphire Crystal dial 4.3AMT Water resistance 5.Excellent quality 1. Material of casing and band: ceramic(zirconia); extruding ... Molding); faired under 1500~1700 degree high temperature, then polished to form smooth feeling;2. High hardness, excellent Wearing resistance, not ... sweat;5. Beautiful Design, Elegant and Exquisite, perfect combination of watch and bracelet. high quality-ceramic watch