Sony 371 (SR920SW) 1.55V Silver Oxide 0%Hg Mercury Free Watch Battery (1 Battery)

Product Review

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High energy density has been achieved owing to the Energizer's original high-precision material-mixing technology. The use of antioxidant, high performance separators also contributes to improved storage characteristics.
Excellent stable discharge characteristics. Constant voltage output is available during the discharging.
Excellent leakage resistance. Energizer-unique sealing structure, coupled with special sealing- material treatment, has helped accomplish the excellent leakage resistance.
Excellent service maintenance; in excess of 90% after storage at 70°F for 5 years