Nike has Apple Watch 3 Nike+ Series Smartwatch, add the  Coupon Code SPRING20, and get 20% discount.

Take an Extra 20% Off Select Sale Styles at with Promo Code 20SPRING – Some Exclusions Apply. (5/11-5/15)

Shop for the new Apple Watch Nike+ Series 3.
If you have Chase Freedom, combine this with PayPal 5% quarterly cashback or Raise offers Nike gift cards at 6% discounted price.

On top of that, combine this with ebates promotion of 15% cashback at Nike

Ebates Coupons and Cash Back

Alternately, Shop through Chase also offers 6% UR Points for purchase.
UR points are credited a lot quicker than ebates cash back.