Duracell Silver 377 Button Cell Battery – 1.55V (10-Pack)

The Duracell Silver 377 is a 1.55V button cell battery (SR66) designed for precision watches, hearing aids, and compact electronic devices. With a zinc-silver oxide chemistry and less than 10% annual self-discharge, it delivers reliable long-term performance in low-drain applications. Ideal for watchmakers, jewellers, and electronics technicians who demand trusted battery performance.