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399 Watch Battery SR927W AG7, National GR927, SR57, SR927, S926S
Renata Silver Oxide Watch Battery 399 1.5 Volts
Alternative codes for this battery are:
SR927W, AG7, National GR927, SR57, SR927, SR926, L926, RW413, Silvercell S926S, Timex W cell, CX926
If you are replacing a National GR927 battery in a Casio calculator please note that your calculator handbook is likely to say that this is a lithium battery. The handbook is wrong! The replacement for the National GR927 is the 399 silver oxide battery and not the CR927 3V lithium battery. This mistake in the handbook appears across several different models of Casio solar calculators.
Dimensions in mm: Diameter x Depth = 9.5 x 2.7
Check all watch battery dimensions with our Watch Battery Cross Reference Table
Save 20% when buying in boxes of 10
Click for 399 - SR927SW watchbattery multipack offers.