cowboom.com has Pebble Smart Watch for iPhone & Android Devices (Pre-Owned, 301BL) on sale for $49.99 - $20 off coupon code Pebble71615 (apply at checkout) = $29.99. Shipping is $5.24.
Note, be sure to apply promo code at checkout. Must be logged into your account. Check product description notes for all included accessories.
I have had this watch for almost 2 years and I love it! (obviously when I bought it new... so cant vouch for this one..)