Small Watch Battery Sizes at Liza Tubbs blog Amazon.com: Senpinkboo for Samsung Galaxy Watch 6 Battery Upgraded Watch Battery Repair Keepsake Diamond Center How to Replace the Battery on a Citizen Screw Down Watch Back Citizen. 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