Specifications:

• Brand: Renata
• Model: 329 (SR731SW)
• Battery Type: Silver Oxide Button Cell
• Nominal Voltage: 1.55V
• Capacity: 37mAh
• Diameter: 7.9 mm
• Height: 3.1 mm
• Chemistry: Silver Oxide (Zn/Ag₂O)
• Shelf Life: Up to 5 years
• Operating Temperature: -10°C to +60°C
• Features: Mercury-free, leak-resistant, stable voltage output
• Country of Origin: Switzerland

Features :  

• An optimised volume/capacity ratio  
• Dimensional precision and stability  
• High capacity retention on storage (low self-discharge)  
• Excellent reliability thanks to a uniformly high quality level  
• State of the art leak proofness thanks to a new sophisticated sealing process  
• Constant availability