Amazon.com: DURNERGY 395 Watch Battery 10 Pack, AG7 SR927SW Watch 10 x 1.55V Button Coin Cell Watch Battery Batteries AG7 AG 7 LR927 Samsung Watch 10 x 1.55V Button Coin Cell Watch Battery Batteries AG7 AG 7 LR927. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit C1010007 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: C1010007_K0054711