maxell 397 watch battery

Nominal Voltage 1.55V Nominal Capacity (mAh)* 36 Nominal Discharge Current (µA) 50 Diameter (mm) 7.9mm Height (mm) 3.1mm Weight (g) 0.70 Chemical System Zinc Silver Oxide * Nominal capacity indicates the life until the voltage drops to 1.2V when discharged at a nominal discharge current at 20 degrees.C.