• Silver Oxide Battery: Duracell's 376/377 1.5V batteries provide reliable, long lasting power for your watches, calculators and medical devices
• Long Lasting Power: Duracell Silver Oxide batteries are engineered for long lasting performance
• Power Preserve Technology: Infused with triple corrosion protection for battery power you can count on
• Guaranteed for 4 years in Storage: Duracell Silver Oxide batteries are guaranteed for 4 years in storage
• #1 Trusted Battery Brand: This Duracell 376/377 Silver Oxide battery is equivalent to SR66, SR626W, 376, 377, S626SW, D377, D376, V377, and SR626