- Seiko Movements: 5M22A, 5M23A, 5M25A, 5M42A, 5M43A, 5M45A, 5M65A, 5S22 - High-quality accessory: Provides compatible batteries for Seiko watch models 3023.5MZ, TC920S, MT920D, and SL920 - Photokinetic rechargeable: Utilizes photokinetic technology, eliminating the need for battery replacement and promoting eco-friendly energy conservation - Long-lasting performance: Features a rechargeable battery with a capacity suitable for the 3023 series, ensuring durability and longevity - Stable performance: Carefully designed to deliver reliable and consistent battery performance The Watch Battery 3023 5MY- MT920 is designed to fit Seiko models 3023.5MZ, TC920S, MT920D, and SL920. It incorporates advanced photokinetic technology, enabling it to self-charge using ambient light and eliminating the hassle of frequent battery replacements. In addition to being environmentally friendly, this rechargeable battery offers a moderate capacity and is meticulously engineered to ensure stable performance and extended battery life. Whether worn daily or stored for extended periods, it provides a dependable power source to keep your watch functioning properly.