Flexible black polyurethane strap, black cover, red LED, heart rate monitor with wireless ECG sensor belt included and preset hour zone or manual set hi and lo hour zoneChoronograph, count-down timerDual alarm; Equipped to display heart rate as BPM, heart rate as percentage of maximum heart rate, hour max (age based) calories burned during workout, minimum hour of total exercise, maximum hour of total exercise and average hour of total exerciseLED hour zone indicator, EL backlightWater-resistant to 165 feet (50 M)

Chronograph with 9-split memory, count-down timerDigital watch with dual time, 12/24 hour format, auto calendar to 2099Dual alarmEL backlightWater-resistant to 165 feet (50 M)

Case Diameter - 37 MM

Flexible green polyurethane strap, green case, LCD black base, lens transparent greenChoronograph, count-down timer, 12/24 hour format, lap counterAlarmEL backlightWater-resistant to 165 feet (50 M)

Stainless steel caseCase size diameter : 45 mmLuminous; Black dialWater-resistant to 165 feet (50 M)

3 hand date calendar, Quartz movementFlexible black polyurethane strapCase size diameter : 38 mmBlack dialWater-resistant to 165 feet (50 M)

Flexible black polyurethane strap, black case, black dial with green accents3 hand analog watchQuartz movementDurable polyurethane bandWater-resistant to 99 feet (30 M)

Flexible purple polyurethane strapCase size diameter : 38 mmPurple dialWater-resistant to 165 feet (50 M)

Case Diameter - 38 MM

Flexible deep blue polyurethane strap, deep blue case, LCD black baseChoronograph, count-down timer, 12/24 hour format, lap counterAlarmEL backlightWater-resistant to 165 feet (50 M)