295-7530 Battery Replacement, CTL621F Sealed Capacitor
Product Overview
The 295-7530 Battery Replacement is a precision-engineered power cell designed specifically for Citizen Eco-Drive solar-powered watches. This CTL621F sealed capacitor serves as a direct replacement for original equipment, ensuring reliable energy storage and consistent performance in compatible models. Ideal for watch repair professionals and DIY enthusiasts, it maintains the exact specifications of the original component, allowing for seamless integration without modifications. Whether restoring an older timepiece or maintaining a current Eco-Drive watch, this battery delivers dependable power using advanced lithium manganese technology. 
Key Features
- Exact Original Specs – Matches the original part number 295-7530 / 295-753 with a rated voltage of 2.4V, diameter of 6.2mm, and thickness of 2.1mm. Every dimension and electrical parameter aligns precisely with factory standards, ensuring compatibility and safe operation within the watch movement. This level of accuracy means you won’t need to adjust or modify any internal components during installation—just a direct swap that preserves the integrity of your watch’s design.
- Full Movement Compatibility – Designed to work flawlessly with a wide range of Citizen Eco-Drive movements, including H010, H018, H030, H050, H054, H058, H059, H100, H106, H110, H111, H112, H113, H115, H116, H117, and H119. This broad compatibility makes it a versatile solution for servicing multiple watch models, reducing the need to stock multiple part numbers. Whether you’re working on a vintage Eco-Drive or a more recent model, this capacitor is likely to fit.
- Professional Performance – Built with a high-quality sealed lithium manganese capacitor, this battery offers ultra-low self-discharge and stable energy retention. It efficiently stores power harvested from light, supporting the uninterrupted function of solar-powered watches without frequent replacements. Unlike traditional batteries, this capacitor is designed to recharge continuously from ambient light, making it ideal for watches that rely on solar energy for long-term operation.
- Sealed & Welded Design – Features a fully sealed, leak-proof construction with standard straight welding pins. This design prevents electrolyte leakage and protects internal watch components, ensuring safety during daily wear and long-term use. The robust sealing also guards against moisture and dust, which can degrade performance over time, especially in watches exposed to varying climates or active lifestyles.
- Complete Package – Includes 1 x CTL621F Watch Capacitor, 1 x anti-static storage case, and 1 x instruction manual. The anti-static case safeguards the battery during storage and transport, preventing accidental discharge or damage from static electricity. The manual provides clear guidance for safe and correct installation, making it accessible even for those new to watch repair.
Technical Specifications
- Part Number: 295-7530 / 295-753
- Cell Type: CTL621F
- Rated Voltage: 2.4V
- Diameter: 6.2mm
- Thickness: 2.1mm
- Compatible Movements: H010, H018, H030, H050, H054, H058, H059, H100, H106, H110, H111, H112, H113, H115, H116, H117, H119
- Construction: Sealed lithium manganese capacitor with welded pins
- Package Contents: 1 x Capacitor, 1 x Anti-static case, 1 x Manual
Benefits & Use Cases
This battery replacement is ideal for restoring functionality to Citizen Eco-Drive watches that have lost power storage capability over time. It’s particularly useful for watchmakers, repair technicians, and hobbyists performing maintenance on solar-powered timepieces. Because it matches the original specs exactly, users can replace aging or failed capacitors without risking damage to delicate internal components. The sealed design ensures long-term reliability, making it suitable for daily-wear watches exposed to varying environmental conditions. With compatibility across numerous H-series movements, it’s a practical choice for servicing a wide range of models within the Eco-Drive lineup. Whether you’re repairing a family heirloom or maintaining a collection, this capacitor offers a dependable, manufacturer-aligned solution.
Important Notes
Always handle the capacitor with care to avoid static discharge, which can damage sensitive electronics. Use the included anti-static storage case when not in use. Installation should be performed carefully, following the provided instructions to ensure proper alignment and secure welding. This product is intended for use in compatible Citizen Eco-Drive movements only—verify your watch’s movement model before purchase. The package contains one capacitor; additional units should be ordered separately if needed for multiple repairs. Proper tools and a steady hand are recommended for best results, especially when working with small components and precise soldering.
