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Amazon.com: Battery Replacement Kit for Apple Watch Series 1 with Repair Tool Set A1803 and (1st Generation) A1554 42 mm : Cell Phones & Accessories
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Amazon.com: for Apple Watch 1st Generation 38mm A1553 Replacement Battery A1578 205mAh 0.78Whr 3.8V + Adhesive&Tools : Cell Phones & Accessories
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