Battery for Pentax Spotmatic Cameras - The Energizer 387S Low-Drain 1.55V Silver-Oxide Button Cell Battery

This is the perfect battery for your Pentax Spotmatic camera.

Silver Oxide button cell battery delivers high-energy density, endurance and reliability

Replaces Rayovac RW51

1.5 volts and 60mAh

Weighs 0.01 pounds and is designed especially for use in cameras, calculators, watches, and other demanding equipment