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Sony 1.55v Silver Oxide Mercury Free Watch Battery Made in Japan - Various Sizes | eBay
Renata 1.55V 392/384 Silver Oxide Coin Cell Battery - SMC392 at Batteries Plus
337 Battery For Micro Earpiece Silver Oxide 1.55v 337 Sr416sw For Sony Cell Button Battery For Watch Headphones Free Shipping - Digital Batteries - AliExpress