Target: Men Accuracy: ± 15 seconds / month Light generation: 3 years (when power save is activated) Function: Perpetual calendar chronograph function (1/1 second 60 minutes total) Waterproof performance: Water resistant to 20 atm Glass: Sapphire glass (Non-reflective coating) Case: Stainless steel Band: Stainless steel Additional specifications: Luminous (needle + index) Flight rule Glass material sapphire * Non-reflective coating With calendar function Dial multi-hand analog With radio wave reception function Drive type photovoltaic power generation ECO DRIVE Brand description: GO BEYOND. Endless choices. Can you surpass yourself up to this moment at this moment? Get a map of the new world and aim for places that can only be reached by yourself. Deeper. Farther away. Higher. Beyond everything. Citizen Promaster a full-fledged sports watch with functionality durability and safety. A face clock with an aerial slide rule a radio clock that receives four areas around the world. A trendy military taste has been added to the precise face design using an aerial slide rule one of the design DNAs. Model Number: CB5000-50L