"Product DetailsMaterial: Metal (bracelet and case) and stainless steel (back) Dimensions/Size: Case -24mm (Dia.) Battery information: Contains non-replaceable button cell batteries Colour: Silver and gold FeaturesAnalogue watch with expansion bracelet Three-hand movement Round dial Additional InformationButton battery safety information Warning: Button Cell Batteries are Hazardous (new or used). Keep away from children. Button Cell Batteries can cause severe or fatal injuries in 2 hours or less if they are swallowed or placed inside any part of the body. If you suspect your child has swallowed or inserted a button cell battery, call the 24-hour Poisons Information Centre in Australia on 131126 or in New Zealand on 0800 764 766 or contact your country's emergency department."