iTech Deals offers the refurbished Sony Smart Watch for Android in Black, model no. MN2SW, for $49.99. Coupon code "DNSONYWTCH" drops it to $44.99. With free shipping, that's $24 under the lowest total price we could find for a new one. It features a 1.3" touchscreen OLED display, sleep tracking, and Bluetooth. Deal ends February 4.
Note: No warranty information is provided, although the seller does offer a 14-day return policy.