Caliber No.: U680
Movement: Eco-Drive
Strap: Calf Leather
Water Resistant: Water Resistant to 200m
Thickness: 13.8mm
Case Size: 45.7mm
Case: Stainless Steel
Glass: Sapphire Glass (Non Reflection Coating)
Maximum run time from full charge (Normal Use Condition): Approximately 6 months
Specification
 24hrs, Date, Day & Month Display
43 World Cities Time
Alarm
Analogue/Digital Time Display
Chronograph
Dual Time
Eco-Drive (recharged by any light source, no need for regular battery replacement)
Global Radio-Controlled
Insufficient Charge Warning Function
LED Lights
Luminous Hands and Index
Overcharge Prevention Function
Perpetual Calendar
Power Reserve Indicator
Power Saving Function
Summer Time ON / OFF
Timer
UTC (Universal Time Coordinated)