eBay has the Samsung Gear S3 Android Smartwatch (4G LTE AT&T, SM-R765ADAAATT) for $220 with free shipping. Retail price: $350. Has excellent Amazon Reviews.
Amazon has the Invicta Men's 8935 Pro Diver Collection Two-Tone Stainless Steel Watch with Link Bracelet for $40 with free shipping. Features unidirectional blue dive bezel with gold-tone trim and logoed dial with luminous hands/markers, push-down crown and magnified date window at 3 o'clock, 38 mm two-tone stainless steel case with mineral dial window.
Has good Amazon Reviews.
eBay has the Garmin Vivomove Premium Activity Tracker Watch (Gold-Tone Steel with Leather Band, 010-01597-23) for $80 with free shipping. Has good Amazon Reviews.