AT&T (from $17.67 per month), free Apple Watch SE with second Watch 6
T-Mobile (from $20.84 per month) - offering $250 off when you buy a second Watch of equal or lesser value
Where to get refurbished deals on Apple Watch 6
Another way to get an excellent deal on the Apple Watch (while being environmentally conscious!) is to buy refurbished. Refurbished products may show some signs of wear in some cases, but are thoroughly tested and repaired to work just like new. The quality of the repair will vary depending on the retailer, so makes sure that anything you buy is backed with a warranty.