Amazon has the Samsung Galaxy Active 2 40mm Smartwatch (SM-R500) for $152 with free shipping. Features Samsung Exynos 9110 1.15GHz processor, touchscreen Super AMOLED 1.2" 360x360 display, 4GB storage, up to 60 hours life on one charge, tracks heart rate, GPS, sleep, steps and calories, water resistance to 164 feet.
Has good Amazon Reviews.
Walmart has the Apple Watch Series 3 GPS 38mm Aluminum Smartwatch w/ Sport Band (Space Gray or White, MTF02LL/A) for $170 with free shipping. List price: $199. Features GPS and barometric altimeter, dual-core processor, intelligent activity tracker, WiFi and Bluetooth 4.2 capable, WatchOS 4, swimproof.
Amazon has the Fitbit Versa 2 Smartwatch (multiple colors, FB507GYSR) for $149 with free shipping. List price: $200. Has good Amazon Reviews.
Amazon has the Apple Watch Series 3 38mm GPS Aluminum Smart Watch w/ Sport Band (Silver Case/White, MTEY2LL/A) for $170 with free shipping. List price: $279. Features S3 dual-core processor that enables Siri to talk on your watch, 1.5" 340x272 OLED display, 8GB internal storage, 802.11n wireless & Bluetooth 4.2, heart rate sensor & altimeter, watchOS 5. Has excellent Amazon Reviews.
Walmart has the Apple Watch Series 3 38mm GPS + 4G Smartwatch (White, Silver, MTGG2LL/A) for $199 with free shipping. List price: $379. Features GPS and a barometric altimeter track how far and high you go, dual-core processor for faster app performance, swimproof, ultimate sports watch and intelligent activity tracker.
Walmart has the Garmin Vivoactive 3 GPS Fitness Smartwatch (White, 010-01769-21) for $149.99 - $1.71 off with in-store pickup discount = $148.28. Features 15 preloaded GPS and indoor sports apps, Garmin Pay contactless payment