NEW Renata #394 button cell battery for your Swatch, Casio, Timex, Rolex, or other fragile timepiece, watch, or other electronic device.

• This is a #394 (SR936W) Renata watch batteries
• These batteries are commonly required for Swatch, Fossil, Timex and Casio popular brands
• Renata has first hand knowledge of what a high quality watch battery must stand for
• Optimized volume/capacity ratio
• Dimensional precision and stability