Citizen World Time & Calculator

• 10 digits display
• World time (include 16 city)
• 12/24 time mode
• Alarm mode (with 16 melodies)
• Down timer
• Calender mode
• Temperature display (celsius / F)
• Basic calculation
• Currency calculator
• Shift function (00->0)
• Sunlight saving mode
• Key tone (on/off)