Features: High efficiency lithium batteries capacitor with metal casing delivers stable power output for watches, ensuring precise timekeeping through extended daily wear and travel scenarios. Environmentally durability construction combines premium lithium ion technology and corrosions resistant metal components, engineered for seamless compatibility for 30235MY MT920 3023.5MY 3023-5MY watch models. Ideal for watch enthusiasts and frequent travelers requiring reliability power solution across their compatible timepiece collections. Maintains consistent performances during business engagements, outdoor adventures, or international trips where accurate time synchronization is critical. Compact, easy installation design simplifies battery replacement while meeting strict energy efficiency standards for modern wearable electronics. Specifications: Component: lithium batteries+ Metal Diameter:Approx.1cm/0.39inch Suitable for 30235MY MT920 model, strong compatibility. for 30235MY MT920 3023.5MY 3023-5MY Watch Battery capacitor 3023 5MZ Process: precise manufacturing process is adopted to ensures the stable performances and safety of the capacitor. Package Includes: 1pc Battery Capacitor note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.