Small Watch Battery Sizes at Liza Tubbs blog Citizen Watch Battery Replacement DIY YouTube How to properly replace a watch battery yourself Artofit Amazon.com: MAXSHARKS Replacement Battery for Galaxy Watch 5 Pro (45mm. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit MCK655 Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz Swiss or Chinese or Japanese Movement Water Resistance Compatibility: Suitable for 50m Water Resistant Watches Mercury Free: Environmentally Friendly (0% Hg) High Low Temperature Tolerance: Extended Performance in Extreme Climates SKU: MCK655_K0067278