Garmin Forerunner 45 Specifications
Year of release: 2019
Screen: 1.04-inch transflective memory-in-pixel (MIP) display, 208 × 208 resolution
Processor: Garmin proprietary wearable platform
Storage: Internal memory for activity tracking
RAM: Integrated system memory
Battery: Up to 7 days in smartwatch mode, up to 13 hours in GPS mode
Design
The Garmin Forerunner 45 features a lightweight circular design with a durable fiber-reinforced polymer case and a comfortable silicone strap designed for everyday wear and running. The always-on display and iconic sporty aesthetic make the watch practical for both fitness and casual use. Water-rated to 5 ATM, it is suitable for swimming, showering, and sweat-proof workouts.
Display
The 1.04-inch transflective memory-in-pixel (MIP) display provides excellent visibility even in bright sunlight, making it ideal for outdoor running and extended workouts. While the resolution is modest, the screen effectively shows statistics, heart rate zones, and notifications with minimal glare. Physical button controls enable easy navigation without needing to rely on touch input.
Performance
Powered by Garmin’s proprietary wearable platform, the Forerunner 45 focuses on essential running and fitness features. It includes built-in GPS for accurate pace and distance tracking, heart rate monitoring, activity tracking, and support for multiple sport profiles. Users can access Garmin Coach workouts and personalized training plans directly on the watch.
Battery
The battery life supports up to 7 days in smartwatch mode and up to 13 hours with continuous GPS use, allowing runners to track multiple sessions without frequent charging. Battery efficiency makes it reliable for regular training and tracking longer runs.
Software and Connectivity
The Garmin Forerunner 45 integrates with the Garmin Connect app, providing in-depth activity analysis, training insights, and personalized goals. Bluetooth connectivity enables smartphone notifications, activity syncing, and live tracking. Compatible with both Android and iOS devices, it also supports safety and tracking features such as incident detection and live event sharing.
FAQ's
Are the Refurbished products unlocked?
Yes. All of our refurbished iPhones, iPads, Apple Watches and all other refurbished tech are fully unlocked and ready to use with any UK or international network (unless specifically stated otherwise on the product page).
What’s the battery health guarantee?
Every device we sell is tested to ensure it has a minimum of 80% battery health. In most cases, our devices exceed this. If a battery falls below our standard, it is replaced before the device is listed for sale.



