Quite a few Japanese smartphone hardware companies have launched Windows 10 Mobile smartphones in the last few months. The latest is Covia, which revealed its 5-inch BREEZ X5 for a release later in April for the price of ¥24,800 (about $226).
The Covia BREEZ X5 (via Gadget Blaze) is a dual SIM phone with a 1280x 720 IPS display. Inside, there's a quadc-core Qualcomm Snapdragon 210 processor running at 1.1GHz, with 1GB of RAM and 8GB of onboard storage. It also has a 8MP rear camera with a LED flash along with a 2MP front-facing camera. Finally, there's a 2500mAh removable battery.
Thanks to Czar for the tip!