Amazon.com: EXMUMCMR SP452929SF Replacement Battery Compatible with [WTS] Seiko SNDC87P1 Chronograph Excellent Condition WatchCharts S1c367fb5b79142fb9156cbdc692e4776Y.jpg [Seiko SNDC87P1] My first real watch : r Watches Dw9k1, Dw9p1 Replacement Smartwatch Battery shipped from Canada. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit SNDC87P1 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: SNDC87P1_K0052536