Puma MOTOR CollectionCase Diameter - 45 MM

Chronograph, count-down timer; Heart rate monitor with wireless ECG sensor belt included and preset HR zone or manual set hi/lo HR zoneEquipped to display heart rate as BPM, heart rate as percentage of maximum heart rate, HR max (age based) calories burned during workout, minimum HR of total exercise, maximum HR of total exercise and average HR of total exerciseDual alarmLED HR zone indicator, EL backlightWater-resistant to 165 feet (50 M)

Chronograph, count-down timerDateAlarmEL backlightWater-resistant to 165 feet (50 M)

Case Diameter - 44 MM

Chronograph, count-down timer, lap counterDigital active sports lifestyle watchAlarmEL backlightWater-resistant to 165 feet (50 M)

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

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)