With 40mm Space Grey Apple Watch Series 5 GPS + Cellular stay connected even without your phone. The watch comes with a Space Grey aluminum chassis and a Black Sport Band. It is designed for users looking for the next generation of connectivity. The Cellular Apple Watch has an electronic SIM, so you can make and receive calls, send texts, and see app notifications. This Apple Watch features a 1.57"/40mm LTPO OLED Retina display with 394 x 324 display resolution.
The Apple Watch features an optical heart sensor to quickly check your heart rate and an electric heart sensor that works with the crown to generate an ECG (electrocardiogram). The workouts are easier than ever to track thanks to the built-in GPS and altimeter, so you get a clear summary of your speed, distance, climb and route. The Apple Watch is water-resistant up to 164'/50m, so you can record laps on a track or in the pool. The Apple Watch connects to your iPhone via Bluetooth 5.0. It can also connect directly to the Internet via 802.11b/g/n Wi-Fi. The internal battery lasts for up to 18 hours of normal use.
Heart Rate Monitor
Check your heart rate at any time with the Apple Watch's built-in heart rate monitor. The irregular heart rhythms (arrhythmias), high heart rates and low heart rates can all be indicators of a possible underlying problem. The Apple Watch is engineered to monitor this reading and alert you to any irregularities.
The Apple Watch Series 5 has an updated accelerometer and gyroscope, which can detect whether you've fallen. If a fall occurs, it delivers an on-screen prompt where you can swipe to have it call emergency services or dismiss it. After 60 seconds of unresponsiveness, it will place the call automatically and send a message to emergency contacts.
The built-in GPS lets you navigate and get accurate workout data. It connects quickly to GPS satellites and records distance, speed and pace for your workout as well as the route you traveled and whether you're walking, running or cycling.
The Apple Watch Series 5 is designed to withstand the pressure equivalent of being 164' underwater (5 ATM) which means that it's suitable for rain, spills, showers, pools and oceans at shallow depths.