This TAG Heuer Connected Calibre E4 Smartwatch boasts a smaller 42mm case giving it a more slimline appearance making it appeal to all, whether in the office, celebrating an occasion or playing sports. Having already established themselves as leaders in the world of smart watches, the brand is now launching a new generation of its Connected watches, designed to deliver connected elegance and a sports smartwatch. At A Glance  Presented on a grained black calf skin leather strap with calf skin red lining Interchangeable straps available separately 42mm stainless steel case with a water resistance of 50m Silver steel crown at 3 o’clock Steel shaped push button at 2 o’clock Steel shaped push button at 4 o’clock Domed sapphire crystal Watch Experience with TAG Heuer custom built app offers watch faces, Sports watch app for swimming, running, cycling, fitness and golf, Wellness app Sensors: heart rate, compass, accelerometer, gyroscope, NFC, microphone, Barometer Charging time: 100% in 1h30 at temperatures between 15° and 45°C Battery life: 1 Full Day (1h Running, including Wellness)