Quartz movement Blue Leatherette strap Strap Buckle clasp Alloy bezel encrusted with Alloy case Mineral crystal Push/pull crown Silver dial with luminous black hands Date display Case: 41mm x 43mm x 9mm Bracelet/strap: 20mm wide x 8.07in 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.