Apple today began sending out emails to iOS developers, offering them a chance to purchase a 42mm Apple Watch Sport with a Blue Sport Band that has a guaranteed shipment date of April 28, 2015, in order to get them a device to begin testing apps on. Quantities of the watch are limited, and developers eligible to purchase a watch will be chosen by random selection.

We want to help give Apple developers the opportunity to test their WatchKit apps on Apple Watch as soon as it is available. You have the chance to purchase one (1) Apple Watch Sport with 42mm Silver Aluminum Case and Blue Sport Band that's guaranteed to ship by April 28, 2015. This opportunity is offered by random selection and quantities are limited. Register now though April 23 at 10 a.m. PDT. We'll let you know your status on April 23.

It's not known why Apple is offering that particular watch combination to developers, but it can be assumed that the 42mm Aluminum Apple Watch Sport may be one of the devices that the company has an ample supply of, along with the Blue Sport Band.

Confirmation screen after entering the lottery

A guaranteed April 28 delivery means developers who make a purchase will receive the Apple Watch Sport one week from today and four days after customers are expected to begin receiving the first Apple Watch devices.