The Apple Watch was originally released in April of last year, so it's going to turn a year in six months in October. As it stands, the Apple Watch's inventory is running low with little intention of restocking. 9to5Mac compiled a list of Apple Watch models that are currently either out of stock or backordered. Then again, there are so many individual configurations for the Apple Watch, it's no wonder they aren't keeping up with all of them. There are currently 6 Sport models (out of 22 total) out of stock, 6 stainless steel models (out of 16) either sold out or backordered, and...
Source: http://www.gsmarena.com/apples_inventory_of_the_apple_watch_running_out_apple_watch_2_announcement_could_be_soon-news-19935.php