10 Best Altimeters 2025 in the United States

The Casio Men's Pro Trek PRW-3500T-7CR is a feature-packed altimeter suitable for outdoor enthusiasts. Its solar-powered functionality ensures a reliable power source, reducing the need for frequent battery changes. The accuracy of the altimeter is notable, with a measuring range from -700 to 10,000 meters, making it versatile for various altitudes. The watch employs barometric pressure for altitude measurement, which is generally reliable but can be affected by weather changes. Unlike GPS-based altimeters, it may require frequent calibration for optimal accuracy.

The device also includes a barometer, thermometer, and digital compass, which are valuable for comprehensive outdoor navigation and weather monitoring. The battery life is enhanced by its solar power and power-saving functions, reducing concerns about running out of charge during extended outdoor activities. Durability is a strong point with a 56 mm resin case and mineral dial window, combined with a titanium band and a water resistance of up to 200 meters, making it robust for harsh conditions. However, the watch's bulkiness at nearly 6 ounces might be cumbersome for some users.

The ease of use is supported by a clear digital display with a backlight, but the multitude of features might require a learning curve for those not familiar with advanced sport watches. Additional features such as atomic timekeeping, multiple alarms, and sunrise/sunset data offer convenience and enhance its functionality. While it lacks the pinpoint location accuracy of GPS-based models, the Casio Pro Trek PRW-3500T-7CR remains a solid choice for those seeking a durable and feature-rich altimeter for outdoor activities.

The Casio Men's PRO Trek PRW-6600Y-1A9CR watch is a versatile tool that combines multiple functions useful for outdoor enthusiasts. As an altimeter, it uses a barometric sensor to measure altitude, offering reasonable accuracy for most outdoor activities. The altimeter can record up to 30 altitude readings, which is handy for tracking changes over time. However, it might not be as precise as GPS-based altimeters for highly detailed altitude measurements. The watch features a Tough Solar battery, ensuring long battery life by harnessing solar power, which is beneficial for extended trips without access to charging facilities. Its 100M water resistance makes it suitable for swimming and snorkeling but not for diving.

Durability is a strong point, with a robust stainless steel case and a resin strap that can withstand rough conditions. The digital compass, barometer, and thermometer add valuable functionality for hikers and adventurers. Ease of use is enhanced by the full auto LED light, making the display easy to read in low-light conditions. The watch also includes user-friendly features like five daily alarms, a stopwatch, countdown timer, and a power-saving function.

Though it might be bulky for some users, given its 51.5mm case diameter and 14.2mm thickness, its comprehensive feature set makes it a reliable companion for outdoor activities. The quartz movement ensures accurate timekeeping, and the analog-digital display provides a classic yet functional look. This watch is best suited for those who need a rugged, multi-functional timepiece for outdoor adventures, though its size and weight might be a consideration for everyday wear.

The Casio Men's GW-9400-1CR 'Master of G' Stainless Steel Solar Watch is a robust timepiece tailored for enthusiasts of exercise and fitness, featuring a durable resin material and a sizable 53mm case diameter. Its barometric altimeter provides dependable accuracy, which is essential for tracking altitude during outdoor activities. The watch is solar-powered, offering extended battery life without the need for frequent recharging, a notable advantage for long outdoor excursions.

The sterling silver and resin construction ensures durability, while the buckle clasp adds security during vigorous activities. Despite its rugged build, the watch can be slightly bulky due to its size, which may not be comfortable for everyone. The ease of use is enhanced by intuitive controls and a clear display, making it user-friendly even for those not particularly tech-savvy.

Additional features, such as water resistance and a variety of sensors, add to its versatility and appeal. However, the watch does not come with GPS functionality, which might be a drawback for users who require precise navigation capabilities. The Casio GW-9400-1CR is well-suited for those seeking a durable, reliable altimeter watch with long battery life and essential features, although its lack of GPS might be a limitation for more navigation-intensive activities.