• Programme: SI-BW03
• Quartz movement: PC21
• Battery: CR2430 (Japan)
• Very frequent use:Up to 12 months
• Normal use:Up to 18 months
• Energy saving mode:Up to 24 months
• Waterproof: IP67
• Bluetooth Version:4.0
• Color: Watch sheath: Zinc alloy
             Button+Strap buckle+Bottom cover: 316L Stainless steel
             Strap: Silicone
• Functions: Alarm and Stopwatch, Walk/sport monitoring, Movement
                     data storaging,Information reminder
• Charging: N/A
• APP: UWatch