Citizen NH7531 50E Automatic Data Brand Cluse battery operating time: *5 months battery operating time: *5 months on rechargeable battery (operation period with normal use without exposure to light after charge) *24 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Accuracy: ±15 seconds per month (with no mobile link function) Regular timekeeping: Analog: 3 hands (hour The MK4732 Slim Runway is an ideal accessory for those seeking a statement piece that combines modern design with timeless allure The Citizen NH7531 50E Automatic Watch is a sophisticated timepiece powered by the precise Calibre 8200 automatic movement Calibre 8200 Automatic Movement (40 Hour Power Reserve) 42mm Case Size Stainless Steel Case and Bezel Sapphire Crystal Glass Accuracy: 10 to +40 seconds day 100 Meters Water Resistant Date Day Push Button Buckle