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Exell Battery Silver-Oxide SR521 Button Batteries in the Coin & Button Batteries department at Lowes.com
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Maxell 379 SR521SW 1 Battery BOGO - Watch Batteries - Watch Batteries - AA AAA batteries - Rechargeable Batteries - Discount Batteries - Shipped Free in US
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Amazon.com: Sony 379 (SR521SW) 1.55V Silver Oxide 0%Hg Mercury Free Watch Battery (1 Battery) : Health & Household
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Duracell Watch Battery Button Cell SR63, 1191SO, SR521SW, SR521, V379, Bulova 618, Citizen 280-59, Duracell D379, Energizer 379, Seiko SB-AC (Pack of 5) - TheBatterySupplier.Com
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