Garmin Forerunner 55

The Garmin Forerunner 55 is a lightweight GPS running watch weighing 37 g. It features up to 2 weeks of battery life in smartwatch mode, 20 hours in GPS mode, a 5 ATM water resistance rating, built-in multi-sport profiles, daily suggested workouts, and wrist-based heart rate tracking.

Physical and Display SpecsDimensions: 42 x 42 x 11.6 mmDisplay Size: 26.3 mm (1.04") diameterDisplay Resolution: 208 x 208 pixels (color, sunlight-visible MIP)Lens Material: Chemically strengthened glassBand Size: 20 mm industry-standard (fits wrists 126–203 mm