Energizer 377 Battery

Multi-Drain watch batteries, combining both high and low drain requirements into one battery. When you wear a high-quality watch, you want a high-quality watch battery to keep it timely and reliable.
To suit watches, pagers, memory backup, keyless entry, security devices, calculators, etc. All batteries 1.5V.

Features and Benefits
• Long shelf life
• Innovative multi-drain technology
• The same technology was used to power the Apollo lunar module!