Simply Choose Brand (either to match existing or because you want to upgrade) from the drop down menu above. All batteries are the same size and voltage, just the brand is different. We recommend the use of these Silver Oxide in watches which will provide a more stable operating environment. Technical Details: 1.55v Nominal 9.5mm Diameter x 2.05mm Known as: 370 SR920W SR69 RW415 and can be used instead of AG6 / LR920.
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