Update, 1/3/2022: The green Apple Watch Series 7 is an additional $10 off right now, bringing it down to $339.
It's not the lowest price we've ever seen on an Apple Watch Series 7, but it's close. Here at Engadget, our sharp-eyed commerce team noticed that Amazon is selling Apple's latest smartwatch for $349, or $50 off the normal starting price. This time around, it's the Product RED and green models specifically that are on sale. Though we've seen the green variant on sale for $10 less, this is the lowest price we've seen on the red edition, if that's the color you happen to have been eyeing.
For the money, you're looking at an entry-level aluminum model with GPS connectivity and a 41mm screen (the smaller of the two sizes, with the larger measuring 45mm). Indeed, it's mostly that slightly larger and therefore more user-friendly display that distinguishes it from the previous-gen Series 6. You'll also appreciate the 33-percent faster charging speeds in your day-to-day use. (Can confirm, as a Series 7 owner myself.)
Otherwise, the Series 7 offers everything we already loved about the Apple Watch, including a wide selection of apps and watchfaces, automatic workout detection and a mix of health and safety features including a heart rate sensor, blood oxygen readings and fall detection.