The have just announced this.. blurb from the media:
There are two watch-face sizes to choose from: 40mm and 44mm. The 44mm model weighs in at 30g, and has a 1.4in Super AMOLED always-on display with a resolution of 360 x 360. Inside you’ll find a 340mAh battery, and a dual-core Exynos 9110...