Waltham Watch Womens Stainless Steel Silver Gold Water Res Battery Duracell Watch Battery SR45 1 Pack: Amazon.co.uk: Fashion Amazon.com: Renata Single Watch Battery Swiss Made 362 or SR 721 SW or Duracell Watch Batteries Celltech. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit COL RET WST Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz 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: COL RET WST_K0067136