Energizer 639319 Size LR43 Alkaline Button Battery (Pack of 2)
Manufacturer's part:Energizer 639319. TheLR43 is used in many watches and calculators. Size: LR43 (186). Also Known as: LR43, 186, 1176A, 186-1, G12A, GP86A, L1142, LR1142, RW84, V12GA, GP186, L1142F, 10L124, G12-A.