Product Name: Citizen Promaster Sky CITIZEN PROMASTER SKY Eco-Drive Radio-Controlled Watch Direct Flight Wristwatch Men's Chronograph CB5004-59W Product Number: CB5004-59W Brand: Citizen Promaster CITIZEN PROMASTER Movement: Eco-Drive Radio-Controlled Caliber: E660 Accuracy: Average monthly difference ±15 seconds (when not receiving) Light Power Generation: Approximately 3 years operation when fully charged (when power save is activated) Day & Date display 24-hour display Perpetual calendar Japan, US, Europe radio wave reception 1/1 second chronograph (60-minute counter) Alarm Automatic reception station selection function Regular reception function Forced reception function World time function (24 time zones) Summer time function Charge level indicator Charge warning function Overcharge prevention function Power save function 20 ATM water resistance Luminous (hands + indexes) Flight computer Band Adjust: Split pin type Windshield Material: Sapphire glass (anti-reflective coating) Case Material: Stainless steel, partially plated (green color) Case Size: 45.9mm Case Thickness: 13.7mm Band Material: Stainless steel Band Clasp Type: Three-fold push type Band Width: 22mm Dial Color: Green Included: Warranty / Dedicated BOX Purchased December 2023.