Coros Apex 4 42mm Black - GPS Sports & Adventure Watch
The Coros Apex 4 black is the ultimate multisport watch for athletes who demand maximum performance in extreme conditions. Designed for mountaineering, ultrarunning, and outdoor expeditions, this premium watch combines unparalleled accuracy, long battery life, and rugged durability with smart, modern features.
Key features of the Coros Apex 4 (42mm)
Advanced navigation & powerful maps
The Coros Apex 4 black features the latest generation of maps, including:
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Global maps with street and trail names
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Turn-by-turn navigation
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POI support
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Very fast map rendering
Whether you are trail running or following an alpine route - you will always maintain an overview.
Dual-frequency GPS for extreme accuracy
With vertical algorithms specially developed for mountains and steep walls, the Apex 4 delivers highly reliable tracking - even where other watches lose signal.
Bright and rugged touchscreen
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42 mm: 1.2-inch MIP touchscreen
Ultimate readability in sun, snow, or deep shade. Perfect for rugged conditions.
Premium materials: titanium & sapphire glass
The Coros Apex 4 black feels light but is built to withstand the toughest expeditions.
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Titanium bezel
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Scratch-resistant sapphire glass
Durable, stylish, and reliable - exactly what you need at altitude.
Built-in speaker & microphone
Use your watch without taking your phone out of your pocket:
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Hands-free calling
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Voice Pins (voice notes)
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Audio notifications such as pace alerts
Other built-in smart features
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Easily sync with Strava, Apple Health, and other apps
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Receive and manage messages, notifications, and control your camera directly from your watch
Why choose the Coros Apex 4 black?
The combination of extreme battery life, unparalleled GPS accuracy, and rugged materials makes the Coros Apex 4 black an ideal choice for dedicated trail runners, hikers, and mountaineers. This watch is built to push your boundaries - and beyond.
What's in the box?
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1x COROS APEX 4 (42mm)
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1x Charging accessories
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1x Watch band
Get the ultimate sports & adventure GPS watch. Order the Coros Apex 4 (42mm) in black now.
Lowest price guarantee.
Ordered before 12:00 = shipped the same day.
The Pace Pro is delivered within 1 business day on average.
Delivery can be tracked via Track & Trace.
Full Coros warranty.
14-day cooling-off period.
Additional product information
Product specifications
Device dimensions: 42.6 x 42.6 x 14 mm
Case material: Grade 5 titanium alloy
Case back material: polymer
Watch glass material: sapphire glass
Bezel material: PVD-coated titanium
Strap: silicone
Silicone strap wrist circumference: 135 - 205 mm
Display type: 3rd generation Memory-in-Pixel touchscreen
Display size: 1.2"
Resolution: 240 x 240 pixels
Pixel density: N/A
Touchscreen: yes (can also be operated via buttons)
Power supply: N/A
Charging port: N/A
Maximum battery life: 15 days with daily use and sleep tracking, 41 hours in Endurance GPS mode, 26 hours in Max GPS mode
Water resistance: 5 ATM (suitable for water surface activities, not for diving)
Connectivity: Bluetooth, Wi-Fi / COROS app
Sensors: Optical heart rate monitor, barometric altimeter, accelerometer, gyroscope, 3D compass, thermometer, optical pulse oximeter, electrocardiogram sensor, dual microphone with noise reduction, water depth gauge, speaker
Satellite navigation: GPS, Galileo, GLONASS, QZSS, Beidou
Internal memory: 32 GB
Compatible with running sensor: yes
Map compatible: yes
Speed sensor: yes
Cadence sensor: yes, can be paired via Bluetooth
Wrist-based heart rate monitoring: yes (ECG measurement and recording possible)
App: COROS app (Apple App Store, Google Play Store)
Smartwatch color: black
Strap color: black
Delivery Terms
At LoopbandSpecialist.nl, we ensure that your order reaches you as quickly, safely, and risk-free as possible. We understand that you want to receive your new Coros watch as soon as possible - which is why we do everything we can to ensure a smooth ordering and delivery process.
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Free standard shipping - Free delivery applies to almost all products. This means you do not pay any extra shipping costs.
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Insured shipping - All shipments are fully insured against transport damage. Should anything happen during transport, we will resolve it for you immediately.
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Fast delivery - Your watch will be delivered on average within 2-3 working days in the Netherlands, Belgium, or even outside the Benelux.
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Track & Trace - After placing your order, you will receive a Track & Trace link so you can easily track your order.
- Personal contact - Do you have questions about the delivery, the schedule, or the status of your order? You can always contact our customer service in the meantime. We are ready to help you personally.
With this service, you are assured of a reliable, fast, and risk-free delivery of your new Coros watch.
Warranty conditions
For us, quality and service are central. We want you to enjoy your purchase for years to come, which is why we offer clear and honest warranty terms.
For Coros products, the following applies:
Warranty: 2 years
Return Policy
We want you to be completely satisfied with your purchase. Should the product not meet your expectations, you can make use of your legal cooling-off period of 14 days.
Within this period, you can return the product without providing a reason. We do ask that you return the item in an undamaged condition.
To register a return, simply contact our customer service team. Our team will be happy to assist you with the return instructions and ensure that the process is smooth and straightforward. Please consult our terms and conditions for more information.
Upon receipt and inspection of the returned product, the purchase amount will be refunded within 1 working day of receiving your return, using the same payment method used for the order.
More about the Apex 4
The Coros Apex 4 black is designed for athletes who want to push themselves to the limit, whether on the trail, in the mountains, or during an ultramarathon. With a lightweight titanium casing, reinforced lugs, and a scratch-resistant sapphire glass touchscreen, the watch feels both robust and comfortable. The Memory-in-Pixel (MIP) display remains highly readable at all times, even in bright sun, snow, or deep shade, so you can keep your focus entirely on your performance.
With the Coros Apex 4 black, you always have detailed navigation at your fingertips. Global maps with trail and street names, POIs, and turn-by-turn navigation help you follow every route safely and accurately.
In addition, the Coros Apex 4 supports you during long days and challenging trips with an impressive battery life: up to 41 hours of GPS activity on the 42mm variant. The watch features a built-in speaker and microphone, allowing you to make hands-free calls, record voice memos, and receive audio alerts during activities. Through the COROS app, you can plan, track, and relive all your performances.
Free shipping
Frequently asked questions
How quickly do you deliver the watch?
When the watch is in stock, it is usually delivered within 1 business day. Orders placed before 12:00 PM are often shipped by us on the same day. You will always receive a track & trace code as soon as your order is on its way.
Can I also come and pick up the watch?
Yes, you can! As soon as your order is ready, you will receive a pickup confirmation from us. You can pick it up in Dronten (Flevoland), the Netherlands.
What about the warranty?
All Coros watches we sell come with a 2-year manufacturer's warranty.
Can I return my order if I'm not satisfied?
Yes, you can return the watch within 14 days of receipt. Immediately after receiving it, we will refund the purchase amount within 1 business day.
Can I also exchange it?
Yes, if you would like a different model or color, you can exchange the watch within 14 days.
What makes our service better than the rest?
With us, you benefit from the best price guarantee and the fastest delivery. Find the same watch cheaper elsewhere? Let us know - we will adjust the price immediately. Furthermore, we ship almost all orders the same day, so you will usually have your new Coros within 1 working day.
In addition, we are known for our personal service: genuine advice from product specialists, easy communication, and the option to pick up products yourself. This is how we combine competitive online prices with the convenience and trust of a physical store.