Coros Apex 4 46mm

65hrs of GPS battery (46mm) or 41hrs (42mm), enough to get you through your longest days.
Coros 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