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  • Eco-Drive

  • SS

  • Perpetual Calendar

  • Radio-Controlled

  • World Time

  • Water Resistant to 20bar

  • Chronograph

  • Flying Distance and Navigation Calculations


Calibre No. U680
Maximum run time from full charge
(Normal Use Condition)
Approximately 6 months
Movement Eco-Drive
Signal Reception Global Radio-Controlled
Strap Stainless Steel
Water Resistant Water Resistant to 20 bar
Thickness 13.8mm
Case Size


Case Stainless Steel
Glass Sapphire Glass (Non Reflection Coating)
  • 24hrs, Date, Day & Month Display
  • Eco-Drive (recharged by any light source, no need for regular battery replacement)
  • Insufficient Charge Warning Function
  • Overcharge Prevention Function
  • Power Reserve Indicator
  • Power Saving Function
  • Global Radio-Controlled
  • Summer Time ON / OFF
  • UTC (Universal Time Coordinated)
  • Perpetual Calendar
  • Dual Time
  • World Time
  • Alarm
  • Chronograph
  • Timer
  • Analogue/Digital Time Display
  • LED Lights