This listing is for the module and buckle only. The battery has been replaced, so it works without any problems. CASIO digital wristwatch with alarm function and shock-resistant design. - Brand: CASIO - Model: Digital Watch - Functions: Alarm, Chronograph - Water Resistance: Water Resistant - Design: Black Case, Digital Display - Accessories: Metal fittings, Silver metal fittings - Condition: Good - Features: Shock Resistant Thank you for viewing.