Garmin’s Descent Mk2i is their premium, dive-specific smartwatch built for serious underwater enthusiasts. The Descent G1 is a more relaxed model for divers with active lifestyles who want a watch they can wear every day. Though these two models share many of the same programs and features, there are a couple of distinctions that lead to a significant price difference.
The G1 Solar doesn’t have air integration, Wi-Fi connectivity, mapping support, and cannot download music. This said, it has a significantly longer battery life in smartwatch mode compared to the Descent Mk2i. If you have more questions, check out our writeups of the Descent Mk2i and the G1 Solar to see which is right for you.