In early September 2018, Apple promoted its new Series 4 Watch at a keynote speech. People can purchase the new smartwatch for prices starting at $399. But, what’s unique about the latest model, and do the newest features make the gadget worth the price? Here are four of the stand-out perks, along with how they measure up to similar watches on the market. The screen on an Apple Watch Series 4 is up to 30 percent larger than past models.