2 affordables with new batteries WatchUSeek Watch Forums How much battery life can we expect from new Watch models? TidBITS Reliable Wristwatch Power Cell 299 395 399 Battery Replacement Watch Battery Equivalent Energizer x 5 Amazon.com: PKCELL 10 Pack SR920SW Watch Battery 370 371 AG6 Button. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 299 Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz Swiss 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: 299_K0066717