Maker number and IEC-style code
Numbers such as 377, 376, 371 and 370 map to specific SR families in the source guide.
Battery family hub
Silver-oxide watch cells are 1.55 V primary cells; W/SW drain designations remain part of the selection.
Numbers such as 377, 376, 371 and 370 map to specific SR families in the source guide.
Same-size W and SW products stay separate because a size and chemistry match does not erase drain suitability.
Showing 41 of 41 canonical records.