Black smartwatch with digital display on a white background

Person tying a shoe with a watch on their wrist, outdoors.

Smartwatch with a clear band on a white background

White smartwatch with a digital display on a white background

Smartwatch with a black band on a white background

Smartwatch with a white band on a white background

Close-up of a black smartwatch on a white background

Smartwatch back view on a white background

Close-up of a white smartwatch on a white background

White smartwatch with a black display on a white background

Coros

Coros Apex 4 GPS Outdoor Watch

£389.00

Zero-compromise outdoors. The COROS APEX 4 GPS watch combines titanium build, sapphire glass and dual-frequency GPS to keep you on track wherever you push yourself—whether mountain trails or city streets.

Colour: Black

Black White

Watch Size: 42mm

42mm 46mm

Product variants

In Stock | Next day delivery available

Quantity

Push your outdoor performance to new heights with the COROS APEX 4, a premium GPS outdoor watch engineered for endurance athletes, climbers and trail explorers. Built with a rugged titanium bezel, sapphire glass display and lightweight construction, the APEX 4 is designed to perform across alpine terrain, back-country trails or club rides.

Precision navigation and mapping reach new levels thanks to its dual-frequency satellite chipset, advanced vertical-tracking algorithms and a global map engine with turn-by-turn guidance. Whether you’re hiking steep couloirs or running forest trails, the APEX 4 keeps you reliably on track.

Battery life that truly supports long sessions: expect up to 65 hours in All-Systems GPS mode (46 mm version) or up to 41 hours in the 42 mm model, making this watch ideal for multi-day efforts and remote adventures. Advanced training insights such as sleep tracking, recovery readiness, HRV and route planning help you train smarter, not harder.

Key Benefits

Lightweight yet robust build: titanium bezel, sapphire glass, rugged durability
Dual-frequency GPS + vertical tracking algorithms for ultra-precise navigation
Global maps with topographic and landscape layers + turn-by-turn guidance
Up to 65 hrs GPS tracking (46 mm model) / 41 hrs GPS (42 mm model) battery life
Memory-in-Pixel (MIP) always-on display designed for high visibility in sun/snow
Multi-sport modes including trail running, climbing, ski touring & more
Advanced training and recovery metrics: HRV, recovery timer, training load
On-device speaker and mic for voice-pins, hands-free calls & activity alerts
Water resistant to 5 ATM, built for outdoor conditions

Product Specifications

Available sizes: 42 mm (≈ 44 g) and 46 mm (≈ 51 g) bodies.
Case dimensions: 42.6 × 42.6 × 15.8 mm (42 mm model)
Display: Memory-in-Pixel touch screen — 1.2″ (42 mm) or 1.3″ (46 mm).
Materials: Grade 5 titanium bezel, sapphire glass lens, reinforced lugs.
GPS: Dual-frequency satellite chipset with vertical GPS algorithms and global maps.
Battery life (GPS mode): Up to 41 hours (42 mm model) / Up to 65 hours (46 mm model) with All-Systems GPS.
Water resistance: Rated to 5 ATM (suitable for swimming).
Operating temperature: -20 °C to 50 °C.
Strap width: 22 mm quick-release bands compatible with silicone or nylon options.

Why We Choose Coros

We choose Coros because they design cutting-edge GPS sports watches built for athletes who push boundaries. With a focus on accuracy, battery life, and performance-driven features, Coros empowers runners, cyclists, climbers, and outdoor explorers to train smarter and go further.

✅ Endurance First – Industry-leading battery life to support long training sessions and adventures.
💡 Performance Insights – Advanced metrics for running, cycling, swimming, and more.
🌍 Adventure-Ready – Built tough for extreme conditions, from mountain trails to open water.
🏅 Athlete Approved – Trusted by elite endurance athletes and world-record holders.

That’s why Coros is part of the Norths Athlete collection — delivering the tools athletes need to reach new levels of performance and adventure.