Garmin Forerunner 645: We Reviewed All its Features

Garmin Forerunner 645 is packed with features to elevate your workout regimen to new levels, but all its many settings and functions may seem overwhelming at first. That’s where our ultimate guide comes in handy; in it we cover everything you need to know about using this device from setting it up through customizing watch faces and downloading third-party apps.

Features and specifications of Garmin Forerunner 645

The Garmin Forerunner 645 is a high-end smartwatch designed specifically for fitness enthusiasts. It comes with a wide range of features and specifications that make it stand out from other smartwatches in the market. One of the key features of the Garmin Forerunner 645 is its accurate GPS tracking, which can help you track your runs and workouts with precision. The watch also comes with a heart rate monitor that can track your heart rate throughout the day and during workouts, giving you a better understanding of your fitness levels.

In terms of design, the Garmin Forerunner 645 is a sleek and stylish watch that can be worn both during workouts and in daily life. It features a 1.2-inch color display that is easy to read in all lighting conditions. The watch also comes with a range of customizable watch faces, so you can choose the one that best suits your style.

Other features of the Garmin Forerunner 645 include smartphone notifications, music storage, and support for third-party apps. The watch also has a long battery life, lasting up to 7 days in smartwatch mode and up to 14 hours in GPS mode. Overall, the Garmin Forerunner 645 is a top-of-the-line smartwatch that is perfect for fitness enthusiasts who want to take their workouts to the next level.

How to set up and customize your Garmin Forerunner 645

Setting up and customizing your Forerunner 645 is a simple process that can be done in a few easy steps. First, you’ll need to download the Garmin Connect app on your smartphone and create an account. Once you’ve done that, you can connect your watch to your smartphone via Bluetooth and set it up.

To customize your Garmin Forerunner 645, you can use the Garmin Connect app to change the watch face, customize the widgets, and set up activity tracking. You can also customize the watch settings, such as the display brightness, vibration settings, and language.

One of the great things about the Garmin Forerunner 645 is that it comes with a range of built-in apps and features that can be customized to your liking. For example, you can customize the data fields on the running app to show the metrics that are most important to you, such as pace, distance, and heart rate. You can also customize the music app to store your favorite songs and playlists.

Understanding the display and menu options

The Garmin Forerunner 645 features a 1.2-inch color display that is easy to read in all lighting conditions. The watch also comes with a range of menu options that can be accessed by pressing the side button or swiping across the screen.

The main menu options on the Garmin Forerunner 645 include the following:

Activities: This option allows you to start and track your workouts, such as running, cycling, and swimming.
Music: This option allows you to store and listen to music on your watch.
Garmin Pay: This option allows you to make contactless payments using your watch.
Notifications: This option allows you to receive smartphone notifications on your watch.
Settings: This option allows you to customize your watch settings, such as the display brightness, vibration settings, and language.

Tracking your fitness with the Garmin Forerunner 645

One of the key features of the Garmin 645 is its ability to track your fitness and workouts with precision. The watch comes with a range of built-in apps and features that can help you monitor your progress and achieve your fitness goals.

The running app on the Garmin Forerunner 645 is one of the most advanced on the market, featuring a range of metrics and tools that can help you improve your running performance. Some of the key metrics that can be tracked include pace, distance, cadence, and heart rate. The watch can also provide you with real-time coaching and feedback, helping you to maintain your pace and stay motivated.

Other fitness tracking features on the Garmin Forerunner 645 include cycling, swimming, and strength training. The watch can automatically detect when you start a workout and track your progress throughout. It can also provide you with detailed metrics and insights, such as stroke count and SWOLF score for swimming.

Advanced running features and metrics

If you’re a serious runner looking to take your performance to the next level, the Garmin Forerunner 645 has a range of advanced features and metrics that can help you achieve your goals. Some of the key advanced running features on the watch include the following:

Running dynamics: This feature provides you with detailed metrics on your running form, such as ground contact time and vertical oscillation.
VO2 max estimate: This feature estimates your maximum oxygen consumption and provides you with an indication of your cardio fitness level.
Training status: This feature provides you with a real-time indication of your training status and whether you’re undertraining or overtraining.
Custom workouts: This feature allows you to create and customize your own workouts, with specific intervals and goals.

Heart rate monitoring and analysis

The Forerunner 645 comes with a built-in heart rate monitor that can track your heart rate throughout the day and during workouts. This feature can provide you with valuable insights into your fitness levels and help you to optimize your workouts.

The watch also comes with advanced heart rate metrics, such as heart rate variability and lactate threshold, which can provide you with a more detailed understanding of your fitness levels. You can also set up heart rate alerts, which will notify you if your heart rate goes above or below a certain threshold.

Connect IQ app and third-party integrations

The Garmin 645 is compatible with the Connect IQ app, which allows you to download and install third-party apps and watch faces. This feature can help you to customize your watch and add new features and functionalities.

Some of the popular third-party apps and integrations for the Garmin Forerunner 645 include the following:

Strava: This app allows you to sync your workouts and connect with other runners in the Strava community.
MyFitnessPal: This app allows you to track your calories and nutrition intake and sync with your Garmin Forerunner 645.
Uber: This app allows you to order an Uber directly from your watch.

Battery life and charging options

The Garmin Forerunner 645 has a long battery life, lasting up to 7 days in smartwatch mode and up to 14 hours in GPS mode. This means that you can use your watch for an extended period without needing to recharge it.

The watch comes with a proprietary charging cable that connects to the back of the watch. To charge your Garmin Forerunner 645, simply plug the cable into a USB port and attach the watch.

Frequently asked questions

Q: Is the Garmin Forerunner 645 waterproof?

A: Yes, the watch is waterproof and can be worn while swimming.

Q: Can I listen to music on my Garmin Forerunner 645?

A: Yes, the watch comes with a music app that allows you to store and listen to music on your watch.

Q: Does the Garmin Forerunner 645 have a touchscreen?

A: No, the watch does not have a touchscreen. It is operated using buttons and a side swipe.

Conclusion and final thoughts

The Garmin Forerunner 645 is a top-of-the-line smartwatch that is perfect for fitness enthusiasts who want to take their workouts to the next level. With accurate GPS tracking, heart rate monitoring, and advanced running features, this watch can help you achieve your fitness goals and improve your performance. The watch is also stylish and customizable, with a range of watch faces and third-party apps available. If you’re looking for a high-end smartwatch that can help you optimize your workouts and track your progress, then the Garmin Forerunner 645 is definitely worth considering.

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