YW2147B Features 100% brand new Stylish and stunning design Normal time: Hour， Minute， Second and Weekday; 12/24-hour format 2-set alarm: daily alarm and hourly alarm 1/100 th Second Chronograph ranging from 0 to 59:59:99， with SPL function Pedometer mode， smart step for 7 seconds 50-day automatic memory storage step function Heart rate mode: touch-on pulse measuring， showing dynamic heart rate 30-200 30 meters water resistant 3 seconds EL backlight The case is made of stainless steel Comes with ABS plastic band Features calendar function Universal design and suitable for adults General Specs Brand & Model 1002 Gender Unisex Style Sports Dial Display Analog Sub-dial N/A Case Material Stainless Steel Strap Material ABS plastic Dial Color Gray Strap Color Black Case Diameter 4.3 cm Case Thickness 1.5 cm Strap Width 2.0 cm Strap Length 20.5 cm Total Length 28 cm Water Resistant 30 M Package Details Weight: 54.57 g Size: 27*5.5*1.8 cm