JMK IIT Assorted Watch Battery Pack: 40 PC Button Cell Batteries AG1 10 x 1.55V Button Coin Cell Watch Battery Batteries AG3 SR41 LR41 LR736 10 x 1.55V Button Coin Cell Watch Battery Batteries AG3 SR41 LR41 LR736 10 x 1.55V Button Coin Cell Watch Battery Batteries AG5 AG 5 LR750. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 3885 W 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: 3885 W_K0063653