Burberry Endurance Chronograph Black Dial black PVD Men's Watch Bu7700 The Fascinating Evolution of Timekeeping Accuracy in Electronic Watches Watch Battery Replacement Dundee at Robert Thaler blog Burberry BU7700 Chronograph Saatport. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit BU7700 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: BU7700_K0068410