Get Upto 24% Discount On 4K Ultra HD TVs At Buydig.com. Seiki, the award-winning TV brand synonymous with 4K Ultra HD, introduces its 2015 4K Ultra HD line featuring the latest HDMI and HDCP 1.4 standards to offer the best 4K digital entertainment experience. The Seiki 42 inch class 4K Ultra HDTV is capable of 3840 x 2160 panel resolution with 60 Hz refresh rate to provide the next level in 4K picture quality and performance. The Seiki 4K Ultra HD model also features advanced direct lit LED backlight technology for superior contrast, rich colors, and high brightness video performance. Coupled with choice audio components and multiple video and audio connectivity options, the Seiki 4K Ultra HD model is made to met the needs of even the most discriminating videophile.