Characteristics Music playback: Yes Race Predictor: Yes Weather display: Yes SMS notifications: Yes SOS notification function: Yes Running dynamics: Yes Calendar notifications: Yes Training programming: Yes Weather forecast: Yes Vibrating alarm clock: Yes Smart notifications: Yes Tension Monitoring Function: Yes Find my phone: Yes Heart rate monitor: Yes Activity tracker: Yes Built-in tape measure: Yes Personal Information Management: Stopwatch Sleep quality: Yes Stopwatch: Yes Music control: Yes Distance traveled: Yes Alarm: Yes Calendar: Yes Vibration alert: Yes Foot pod: Yes Heart rate contact sensors: Yes Sun and Moon Information: Yes Advanced Training: Yes Interval training: Yes Timer: Yes Calories burned: Yes Activity monitoring: Yes Personal Goals: Yes Hunting/Fishing Calendar: Yes Calculation Area: Yes Recommended activity Running Bicycle Swimming Accelerometer: Yes Workout tracking function: Yes Design Watch case size: 42 mm Watch case color: Black Market positioning: Sports watch Security features: Waterproof Lens material: Glass Product color White Black Housing material: Glass Maximum strap length: 20.3 cm Shape: Round Detachable strap: Yes Wrist size: 126 - 203 mm Strap color: White Water resistance: 5 ATM Strap material: Silicone Power Battery life (in GPS mode): 20 h Supported battery type: Built-in Rechargeable battery: Yes Battery operation time: 200 h Battery life 200 hours 14 days Weight and dimensions Product weight: 37 g Thickness: 1.16 cm Product width: 42 mm Strap width: 2 cm Network Galileo: Yes GPS: Yes GLONASS: Yes Efficiency Support for mobile operating systems Android iOS Display Resolution: 208 x 208 px Screen diagonal: 1.04" Rounded display corners: Yes Display technology: MIP Display type: Digital Color display: Yes Software Sports Apps: Connect IQ Ports and interfaces NFC: No Bluetooth: Yes Other functions Product height: 42 mm Logistics data Number of pieces: 1