Battery life

Up to 50 hours

Up to 84 hours in Low Power Mode

Heart sensing

Health Sensing System

Highly accurate heart rate sensing

Case

49mm titanium

Natural or Black

Outdoor workouts

Up to 45 hours

Full GPS tracking in Max Extended Workout

Health Sensing System

Highly accurate heart rate sensing.

Re-architected optical and electrical sensors, powered by the S11 chip, deliver continuous high-fidelity monitoring, frequent background heart rate readings, and more detailed HRV measurements throughout the day.

Readiness

A daily read on your body’s capacity.

Readiness analyzes recent activity, training load, vitals, and sleep to deliver one clear 0–10 score each day, together with an actionable recommendation.

Design

Built to go the distance.

A rugged 49mm titanium case in Natural or Black, with Trail Loop, Alpine Loop, and translucent Ocean Band options for wherever the adventure takes you.