379: 280-59, D379, SB-AC, SB-DC, SR521SW, SR63. Also Known As 377: SR66, SR626W, 376, 377, S626SW, S377, D376, V377, SR626. Rayovac Quartz Silver Oxide 1.55v Watch Batteries 377 379. Rayovac are one of the worlds leading watch battery manufacturers.
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