22 Genuine Diamonds encrusted case. With Certificate of Diamond Authenticity by Citizen. Movement : Eco-Drive Calibre: G620 50m water resistant Gold plated stainless steel case and bracelet Mother of pearl dial Curved Sapphire crystal glass Eco-Drive: Charges in sunlight or indoors. Never change a battery! 240 days Power Reserve Insufficient charge warning function Diameter: 18mm with crown