GPS-mode battery life varies by model and settings, with examples in the listings ranging from about 25 hours up to around 122 hours on some models that mention solar charging.
The product descriptions list a built-in 3-axis compass, a barometric altimeter (ABC sensors: altimeter, barometer, compass) and built-in GPS; some listings also note multi-band GPS support.
Many of the watches are rated to 100 meters (10 ATM) and some descriptions also call out rugged, thermal- and shock-resistant construction suitable for outdoor activities.
Navigation is shown as tide data on surf-focused models, preloaded TopoActive or full-color built-in maps on others, and route features such as dynamic round-trip routing and ‘Up Ahead’ navigation prompts.
The listings explicitly tie GPS and navigation features to water sports such as surfing, windsurfing and kiteboarding (including tide data and GPS-derived position, speed and jump elevation). They also associate navigation sensors with outdoor activities like running, hiking, climbing and mountain biking, though GPS-specific details are most pronounced for the water-sport descriptions.
Descriptions indicate solar charging extends battery life and increases GPS-mode runtime; the examples shown range from about 25 hours up to roughly 122 hours on models that mention solar charging.
The listed display sizes include 1.2 inches, 1.3 inches, 1.27 inches and 1.4 inches across the results.
