Japanese quartz movement Black genuine leather strap Tang buckle clasp Alloy bezel Alloy case Mineral glass crystal Push-pull crown Black dial with luminous rose-tone hands and diamond hour markers Diamond accents on dial Case: 31.5mm in diameter x 9mm thick Bracelet/strap: 14mm wide x 8in long Water-resistant up to 30 meters Manufacturer's limited warranty It is customary to treat most gemstones to achieve enhanced color and durability. Some of these treatments may not be permanent and may require special care. Our products are 100% genuine. In some cases we purchase merchandise from trusted independent suppliers and not directly from the brand owner. In all cases we stand by the authenticity of every product sold on our site.