The Apple Watch (NASDAQ: AAPL) sold out in its preorder stage on Friday, according to Yahoo Finance, with order numbers boarding one 1 million. A Slice Intelligence study reported the average customer spent approximately %503.83 per device in a total of 957,000 orders. While the original delivery date for the wearable is scheduled for the end of April, because of the high order volume, some were pushed as far as July. The Apple Watch is available for preorder currently in Australia, Canada, China, France, Germany, Hong Kong, Japan and the United Kingdom, Yahoo reported.