DUCAL NAVY DIVER Vintage swiss automatic watch Cal. AS 1673 SUBMARINO Dive Certified Watch Battery 1676 Ball Watch Co Engineer Hydrocarbon Submarine Warfare Chronograph Would you save this ocean blue icon for the yacht deck or let it Pre owned Ball Watch Engineer Hydrocarbon Submarine Warfare Chrono 42mm VintageDiveWatches. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit 1676 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: 1676_K0066415