The ultimate mountain sports watch built for training, racing, and beating your personal best. 65hrs of GPS battery (46mm) or 41hrs (42mm), enough to get you through your longest days. Our most powerful mapping with free Global Maps, street and trail names, turn-by-turn navigation, and POI's Precision dual-frequency GPS with vertical algorithms built for alpine terrain and sheer walls. 1.3 inch Memory-in-Pixel touch screen (46mm) or 1.2 inch (42mm), with sharp contrast and easy readability in sun, snow, or shadows. A titanium bezel and sapphire glass deliver a lightweight feel with alpine-grade durability. Built-in speaker and mic for pace alerts, Voice Pins, and hands-free calls. Track and manage your recovery, HRV, sleep, SpO2, and training load for a 360-degree view of your training. Study every step of your training and racing with 3D Flyovers and Adventure Journaling.