Apple Watch Ultra 4 vs Ultra 3

The Apple Watch Ultra 4 carries a Grade 5 titanium case in natural or black finishes and weighs 63.0 grams in the natural version, while the Apple Watch Ultra 3 sits at 61.6 grams with a 49mm case that measures 44mm wide and 12mm deep. That 1.4-gram difference is the smallest clue that these two …