Amazon.com: Energizer Watch Batteries 364 363 SR621SW Battery New 5 Amazon.com: Energizer Watch Batteries 364 363 SR621SW Battery New 5 Amazon.com: Energizer Watch Batteries 364 363 SR621SW Battery New 5 [MAXELL JAPAN] Watch Battery Batteries Silver Oxide 1.55V SR936SW Amazon.com: UOGTNON 362 SR721SW Watch Battery 1.5V Button Cell (10 Pack Energizer 380 SR936W SB A4 Watch Battery 1.55v Beaky Trading. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 3635 GW 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: 3635 GW_K0064147