• Precision Compatibility Guarantee​: Designed for Citizen Eco-Drive MT920 295-5600 movement (0.1mm tolerance), rigorously tested on C650, E810, E811, 7821, B620.
• Wide Compatibility Range: Check caseback for you watch. Apart from the specified models, this battery also works seamlessly with other Citizen Eco-Drive movement numbers such as 7821, 7828, 7871, 7873, 7876, 7878, 7879, A710, A715, A730, A735, A780, A784, A786, B510, B515, B560, B620, B740, B741, B745, B800, B810, B870, B872, B873, B876, B877, B910, C650, C651, C652, C660, E510, E511, E710, E711, E712, E715, E716, E717, E760, E761, E765, E766, E767, E768, E810, E811, E812, E816, E817, E820, E860, E865, E870, H410, H411, H412, H430, H460, H461, J304, 7W21, 7W71, BR10, thereby catering to a broad spectrum of watch models
• Quality Assurance: Anti-corrosion gold-plated terminals polymer gel electrolyte prevent leakage (0% failure rate in 2025 lab tests). Survives -20°C to 80°C extremes.
• Environmentally Friendly: In line with the Eco-Drive philosophy, our batteries are designed to be environmentally friendly, using materials and manufacturing processes that minimize ecological impact. Ensuring that you enjoy both performance and environmental responsibility
• Lifetime Technical Support​: 24/7 watchsmith chat. 90-day hassle-free return, 5-year warranty against capacity decay (≤20%).