Low battery warning function Automatic receive signal proofreading time Received signal strength display Perpetual calendar Date display Week display 24 hour indication Alarm Prevent overcharging Solar energy saving Caliber E690 Solar Power Signal Radio Timing Stainless steel case Stainless steel case Buckle Double-push tri-fold safety clasp Crystal Sapphire glass with anti-reflection coating Water resistant 100m (10 bar) Case Diameter 43mm Case Thickness 13mm Weight 172g
