This particular model comes in at 40mm, which should be a good size for most wrists. It features a 1.3-inch AMOLED screen that can reach up to 3,000 nits, which will allow it to be easily seen even under direct sunlight. It's powered by an Exynos W1000 chip that's paired with 2GB of RAM and 32GB of storage. As far as battery life goes, you're looking at a full day, which is on par with other watches in this category. While we'd love to see more, the technology isn't quite there yet, unless you're looking to with something like a Garmin. So, you'll want to place it on a charger any chance you g