The Garmin Enduro 3 is an ultralight GPS smartwatch built for ultra-endurance athletes, with a solar charging lens and up to 90 days of battery life in smartwatch mode.
Features:
Solar charging: up to 90 days in smartwatch mode, 320 hours in GPS mode
Weighs just 63 g with UltraFit nylon band
Titanium bezel with scratch-resistant sapphire lens
Built-in LED flashlight
SatIQ multi-band GPS; trail run VO2 max, grade-adjusted pace, NextFork
