Movement: Citizen Quartz U820 Dial: Black Case Material: Stainless steel Case Dimensions: 48mm diameter Thickness: 15mm Crystal: Mineral crystal Band: Silicone strap Closure: Buckle Water Resistance: 200 meters (20 bar) Power Reserve: N/A (Quartz) Accuracy: ±15 seconds per month Weight: 110g Additional Features: Compass, Altimeter, Thermometer, Electro-Luminescent backlight Warranty: