Movement Caliber Number 8T63 Movement Type Quartz Precision ±15 seconds per month Battery life Approx. 3 years Functions 24-hour hand Equipped with small seconds hand Chronograph up to 60 minutes in 1/5 second increments Date display Case/Band Case Material Stainless steel (hard coating) Case Size Thickness:11.6mm Diameter:43.0mm Lug-to-lug:50.4mm Crystal Sapphire crystal Distance between lugs 22 Other Details Water Resistance 10 bar Weight 158.0 Features Screw case back