The 46mm Series 10 is shorter, narrower, and thinner than the Ultra 2, and weighs almost 50% less as a result. If size, weight, and bulk are important to you, then the much lower profile of the Series 10 is very appealing.

The new black titanium Apple Watch Ultra 2 (GPS + Cellular) is on sale at Best Buy for paid members of its My Best Buy program starting at $749 (typically $799).

The Apple Watch Ultra 2 is available with a massive $110 saving right now, with the Rugged Titanium color model available at a big discount. There are much smaller discounts to be had on the new black version,