Nikatronics via eBay offers the open-box Apple Watch Series 2 42mm Aluminum Sport Smartwatch for $279.89 with free shipping. That's $10 under last week's mention and $19 below the best price for a new one. It features an aluminum case, Ion-X glass display, dual-core processor, heart rate sensor, accelerometer, gyroscope, microphone, speaker, 802.11n wireless, and Bluetooth 4.0. Note: This is new, but may not come in its original packaging.