Smartwatch Buyer's Guide: How to Find the Right One for You

The smartwatch market is a crowded and constantly evolving space. Between models built for sports, those that act as health coaches, and others that are simple extensions of our smartphones, it's easy to get lost. But don't worry: this guide is here to help you see things more clearly, define the features that are essential for your needs, and make the right choice.

Key Criteria for Choosing Your Smartwatch

Before you start comparing models, take a moment to define your priorities. These three pillars should guide your decision.

1. Battery Life: The Deciding Factor

This is often the sticking point. Battery life can vary tenfold, from just 24 hours to several weeks, depending on the model and your usage. Keep in mind that heavy use of GPS, an always-on display, or continuous heart rate monitoring will drain the battery in no time. If the idea of charging your watch every night is a deal-breaker, look for a long-battery-life smartwatch—some manufacturers have made this their main selling point.

2. Sport and Health Features: More Than Just a Gadget

A modern sports smartwatch is a true training and wellness partner, a far cry from the simple pedometers of the past.

• For athletes: Precise GPS is non-negotiable for running, cycling, or hiking enthusiasts. You should also check the number and relevance of the available sports modes. A waterproof watch (rated 5 ATM or higher) is essential for swimming.
• For health tracking: The sensors are becoming increasingly sophisticated. A heart rate watch with continuous heart rate tracking is now standard, but many models also offer blood oxygen (SpO?) measurement, in-depth sleep analysis, or stress level monitoring. These health smartwatch tools provide a valuable overview of your general well-being.

3. Compatibility and Ecosystem

This is a crucial point: the watch must be compatible with your smartphone's operating system (iOS or Android). The experience is often most seamless when the watch and smartphone are from the same ecosystem (an Apple Watch with an iPhone, for example). This makes syncing notifications, contacts, and apps much smoother.

Our Top Smartwatch Picks

Here are a few models that stand out from the crowd, each catering to a different type of user.

FITTEK S5 Smart Watch

Why it stands out: The FITTEK S5 focuses on the essentials and excels at them. Its main advantage is its record-breaking battery life, with the manufacturer claiming up to 50 days on standby. It includes the essential health sensors for reliable daily tracking, without you having to constantly worry about recharging.

Key features:

• Battery Life: Up to 50 days on standby, according to the manufacturer, thanks to its 145 mAh battery and a software optimisation algorithm.
• 24/7 Health Tracking: Measures SpO?, stress, and heart rate continuously.
• Sports Modes: 16 dedicated sports modes, including running, cycling, and yoga.
• Water Resistance: IP68 certified, guaranteeing it is dust-tight and resistant to immersion.

Who is it for? This is the ideal model for those looking for a simple yet effective activity tracker, prioritising a long-battery-life smartwatch for daily health and sports tracking, all without breaking the bank.

APPLE Watch Ultra 3 GPS + Cellular

Why it stands out: Built for adventure and extreme conditions, the Apple Watch Ultra 3 is a technological powerhouse. Its titanium case and sapphire crystal give it rock-solid durability, while its dual-frequency GPS ensures incredibly accurate location tracking, even in urban canyons or deep in the wilderness.

Key features:

• Durability: 49mm titanium case and a flat sapphire crystal front that is highly scratch-resistant.
• Improved Battery Life: Up to 42 hours in normal use and 72 hours in low-power mode.
• Safety Features: Fall Detection, Crash Detection, and Emergency SOS via satellite.
• Water Resistance: Water-resistant to 100 metres, it is certified for recreational diving and high-speed water sports.

Who is it for? It's aimed at demanding athletes, adventurers, and iPhone users who want an ultra-reliable and rugged GPS watch with advanced safety features for their expeditions and most intense workouts.

Garmin vivoactive 6 GPS

Why it stands out: The Garmin vivoactive 6 strikes the perfect balance between a feature-packed sports smartwatch and an elegant everyday smartwatch. Its stunning AMOLED display, over 80 sports profiles, and advanced health metrics like Body Battery make it an outstanding companion.

Key features:

• Display: A stunning 1.2-inch AMOLED touchscreen, perfectly readable even in direct sunlight.
• Comprehensive Sports Tracking: Over 80 preloaded sports profiles and animated workouts you can follow right on the watch.
• Smart Features: Music storage (8 GB), Garmin Pay contactless payments, and smartphone notifications.
• Advanced Health Tracking: Elevate Gen 4 heart rate sensor, Pulse Ox sensor, and Body Battery energy monitoring.

Who is it for? Perfect for all-round athletes who juggle various activities. They'll find a watch that can support them during a HIIT session as well as in their daily life, with practical smart features and in-depth health tracking.

Can't Find What You're Looking For?

Choosing a smartwatch is a very personal decision: it depends on your activities, your goals, and, of course, your budget. If our selection doesn't check all your boxes, know that many other options are available.

Discover our full collection of electronic watches to find the model that's right for you.

Smartwatch Frequently Asked Questions

What's the difference between a smartwatch and an activity tracker?

An activity tracker usually just monitors a few basic metrics: steps, distance, calories burned, and simple sleep analysis. A smartwatch goes much further, offering extended features like notification management, app installation, contactless payments, a built-in GPS, and more advanced health sensors (ECG, SpO?).

Can a waterproof smartwatch be used for diving?

Not necessarily, and this is a common pitfall! Water resistance is indicated by an ATM rating. A watch rated 5 ATM, like the Garmin vivoactive 6, is perfect for surface swimming but not for diving. For activities like recreational diving, it's essential to choose models with a higher rating, such as the Apple Watch Ultra 3 (water-resistant to 100 metres and compliant with the EN13319 standard for dive accessories).

Do I need a smartwatch with built-in GPS?

A built-in GPS is an undeniable advantage for anyone who engages in outdoor activities (running, hiking, cycling...). It allows you to record your route, distance, and pace with high precision, without needing to carry your smartphone. For more sedentary use or indoor activities, a model without built-in GPS (or with "connected GPS" that uses your phone's GPS) may be more than enough.