Features: High-efficiency lithium battery capacitor with metal casing provides stable power Compatible with watches, ensuring accurate timekeeping even during extended daily use and travel scenarios. Environmentally friendly and durable construction combines premium lithium-ion technology and corrosion-resistant metal components, engineered Compatible with seamless compatibility Compatible with 30235MY MT920 3023.5MY 3023-5MY watch models. Perfect Compatible with watch enthusiasts and frequent travelers who need a reliable power solution Compatible with their compatible watch collections. Maintains consistent performance during business meetings, outdoor adventures, or international travel where precise time synchronization is crucial. Compact, easy-to-install design Compatible with simple battery replacement while meeting strict energy efficiency standards Compatible with modern portable electronics. Specifications: Component: Lithium Batteries + Metal Diameter: Approx. 1 cm/0.39 inch Suitable Compatible with 30235MY MT920 model, strong compatibility. Compatible with 30235MY MT920 3023.5MY 3023-5MY watch battery capacitor 3023 5MZ Process: precise manufacturing process has been adopted Compatible with ensuring stable performance and safety Compatible with the capacitor. Note: Please allow 1-10mm error due to manual measurement. Due to differences between different monitors, the picture may deviate from the actual color of the product. Package includes: 1 pc battery capacitor