Casio Pro Trek PRW-B1000WM-1: A High-End Collaboration with White Mountaineering Arrives with Triple Sensor Tech

Casio has quietly unveiled the Pro Trek PRW-B1000WM-1, the second collaboration watch with the Japanese fashion label White Mountaineering. While the first partnership, the PRJ-B001WM, targeted an entry-level price point, this new model steps up to the premium PRW-B1000 chassis, signaling a more serious offering for outdoor enthusiasts who value both technical performance and design pedigree.

What's New: Design and Materials

The watch's most immediate visual statement is its steel bezel, which features a distinctive triangular pattern—a signature White Mountaineering brand element. This is likely protected by an ion-plated (IP) coating to mitigate surface scratching, a common concern for outdoor gear. Mechanical accents include a red second hand and a red marker on the 9 o’clock sub-dial, which itself is modeled after a traditional climbing piton, reinforcing the watch's outdoor aesthetic.

Moving away from the resin bands standard on most Pro Trek models, the PRW-B1000WM-1 will ship with a composite bracelet. This choice increases the total weight to approximately 120 grams, a noticeable jump from lighter resin-strapped models. The timepiece features a sapphire crystal for superior transparency and scratch resistance, while the center case is constructed from flame-retardant bio-based resin. The case and back cover also use fiber-reinforced materials to ensure structural integrity under environmental stress.

Technical Core: The Triple Sensor and Power System

At its heart, this watch is the first Pro Trek series model to combine three critical technologies: Tough Solar power, Bluetooth connectivity, and Multiband 6 radio control. This combination addresses a key pain point for outdoor users: reliable timekeeping and sensor data without constant smartphone dependency.

The "Triple Sensor" module provides real-time digital measurements for:

• Compass direction (with bearing memory)
• Barometric pressure/altitude (with trend graph and altitude memory)
• Temperature (with a range of -10°C to 60°C)

The Tough Solar system ensures the watch runs for months without a battery change, even with heavy sensor use. The Bluetooth connectivity facilitates automatic time adjustment four times daily and enables advanced field features like a "Location Indicator," which displays the direction and distance to a saved waypoint. For remote use without smartphone access, the Multiband 6 system receives time calibration signals from six stations globally, ensuring atomic-clock accuracy.

How It Compares to Predecessors and Competitors

Compared to the entry-level PRJ-B001WM, the PRW-B1000WM-1 is a significant step up in both materials and functionality. The previous collaboration used a simpler resin case and lacked the advanced sensor integration. Against standard Pro Trek models like the PRG-270, this new watch offers a more premium build (steel bezel, sapphire crystal, composite bracelet) and the unique Bluetooth + Multiband 6 combo, which is typically reserved for higher-end G-Shock models.

In the broader market of rugged smartwatches, this Casio offering carves a niche. Unlike full-color smartwatches (e.g., Garmin Fenix or Apple Watch Ultra), it prioritizes battery life and readability in direct sunlight. It lacks app ecosystems and GPS navigation but offers superior sensor accuracy for barometric and compass data, which many outdoor purists prefer for its reliability and lower power draw.

Who Is This Watch For?

This is not a casual fashion accessory. The PRW-B1000WM-1 targets serious outdoor enthusiasts who need reliable environmental data—hikers, climbers, and mountaineers who venture into areas where smartphone batteries die and GPS signals can be unreliable. The White Mountaineering collaboration appeals to those who appreciate minimalist, functional design with a streetwear edge.

The composite bracelet and increased weight (120g) might deter ultralight backpackers, but for day hikes or mountaineering where durability is paramount, the trade-off is justified. The sapphire crystal is a major advantage over mineral glass, resisting scratches from rocks and gear. The flame-retardant resin and fiber-reinforced materials add a layer of safety for users near open flames or in high-heat environments.

Pricing and Availability

While the article mentions a February 2026 release, official pricing and exact availability dates are still pending from Casio. Based on the PRW-B1000 chassis's typical retail price (around $300-$400) and the collaboration premium, expect this model to land in the $400-$500 range. For those interested in a more affordable Pro Trek with solar power, the Casio Pro Trek PRG-270-1 remains a solid, proven option.

More official release details should be available soon via Casio's official Pro Trek page. For ongoing updates, you can follow the brand's announcements or check Casioblog for additional imagery and specifications.