Caliber No. V192 Drive System Solar Accuracy Average monthly deviation ±15 seconds Power Reserve Approximately 6 months when fully charged Functions Overcharge prevention 24-hour hand Small seconds hand Stopwatch function (1/5-second measurement, 60-minute counter) Power reserve indicator Calendar (date) function Water Resistance 10 bar (suitable for daily use and swimming) Magnetic Resistance Yes Weight 167.0g Additional Features Tachymeter Screw-in case back Case Material Stainless steel Case Dimensions Thickness: 13.3mm, Width: 39.0mm, Length: 45.5mm Crystal Material Curved sapphire Crystal Coating Inner anti-reflective coating Luminescence LumiBrite (hands and indexes) Clasp Single-push three-fold clasp Maximum Wrist Circumference 205.0mm