Huawei Watch Ultimate 2 Review

• Overview
• Design and Build Quality
• Display
• Performance
• Software and User Interface
• Camera
• Battery Life
• Connectivity and Networking
• Additional Features
• Comparison with Other Related Phones
• Pros and Cons
• Conclusion

Overview

The Huawei Watch Ultimate 2 emerges as a formidable contender in the high-end smartwatch market, building upon the legacy of its predecessor with a suite of advanced features and a robust design. Targeted at adventurous individuals and tech enthusiasts who demand durability, comprehensive health tracking, and seamless connectivity, this device aims to be more than just a wearable; it's positioned as a robust companion for extreme sports and daily life alike. The specifications reveal a device engineered for resilience and performance, boasting impressive water resistance ratings suitable for diving, alongside advanced positioning systems for accurate outdoor tracking. Its launch date in September 2025 and a premium price point of €899.00 suggest a product that prioritizes cutting-edge technology and premium materials. The inclusion of eSIM capability further enhances its standalone functionality, allowing for calls and data without a tethered smartphone. HarmonyOS 5.1 as its operating system indicates Huawei's commitment to its proprietary ecosystem, promising a fluid and integrated user experience. The device's physical construction, featuring materials like sapphire crystal, ceramic, and zirconium, underscores its premium positioning and durability. This overview sets the stage for a deeper dive into how these specifications translate into a real-world user experience, examining its strengths and potential limitations.

Design and Build Quality

The Huawei Watch Ultimate 2 showcases a design philosophy that marries ruggedness with sophistication, catering to a dual purpose of extreme sports utility and everyday elegance. Available in Black and Blue colorways, the watch offers distinct aesthetic choices. The dimensions vary slightly between the two: the Black model measures 48.5 x 48.5 x 12.9 mm, while the Blue variant is marginally smaller at 47.8 x 47.8 x 12.9 mm. These dimensions suggest a substantial presence on the wrist, befitting its feature set. The weight of 80.5 g (2.86 oz) further emphasizes its solid build. The construction is a testament to Huawei's premium approach, featuring a **sapphire crystal front** for superior scratch resistance, a **ceramic bezel** that is both durable and aesthetically pleasing, and a **zirconium front case** complemented by a **ceramic back**. This combination of high-grade materials not only contributes to its premium feel but also significantly enhances its resilience against impacts and daily wear and tear. A standout feature of the design is its exceptional water resistance: rated at **150m swimproof/diving (EN13319, ISO 22810:2010)** and **IP68 dust tight and water resistant (immersible up to 150m/20ATM)**. This makes it a truly viable option for serious divers and water sports enthusiasts. The integration of an **eSIM** further streamlines its design by enabling cellular connectivity without the need for a physical SIM card, contributing to a cleaner and more water-resistant build. The overall aesthetic appears to be one of robust luxury, with a focus on durability without compromising on visual appeal. The choice of materials and the meticulous engineering of its water resistance capabilities clearly position the Watch Ultimate 2 as a device built to withstand demanding environments, making it a compelling choice for those who push boundaries.

Display

The Huawei Watch Ultimate 2 boasts a cutting-edge display that is central to its user experience and functionality, particularly given its focus on outdoor and demanding activities. The device features a **LTPO2 AMOLED panel**, a technology known for its ability to dynamically adjust its refresh rate. This means the display can lower its refresh rate when showing static content, thereby conserving battery life, and ramp it up for smooth animations and interactions when needed. This efficiency is crucial for extending the battery life of a feature-rich smartwatch. The display's most striking feature is its remarkable **3500 nits peak brightness**. This incredibly high brightness level is designed to ensure **exceptional visibility under all lighting conditions**, including direct, harsh sunlight, which is a critical requirement for a device intended for outdoor adventures and sports. Users will be able to easily read notifications, maps, and workout metrics even in the brightest environments, eliminating the frustration of a washed-out screen. The display size is **1.5 inches**, which provides ample screen real estate for viewing information without feeling overly large on the wrist. Complementing the size and brightness is the **466 x 466 pixels resolution**, resulting in a pixel density of approximately **310 ppi**. This density ensures that text appears sharp and crisp, and images and graphics are rendered with fine detail, contributing to a premium visual experience. The **LTPO2 AMOLED** technology also inherently offers vibrant colors, deep blacks, and excellent contrast ratios, further enhancing the visual appeal and readability of the display. This combination of high brightness, excellent resolution, advanced refresh rate technology, and ample screen size makes the display of the Huawei Watch Ultimate 2 a significant highlight, ensuring that users can interact with their device effectively and enjoyably, regardless of their environment or activity.

Performance

The Huawei Watch Ultimate 2 is engineered for robust performance, driven by its HarmonyOS 5.1 operating system and a suite of advanced sensors. While the internal storage is unspecified, the focus appears to be on seamless operation and data processing rather than extensive on-device storage. The **LTPO2 AMOLED display** with a peak brightness of **3500 nits** is a significant performance enabler, promising exceptional visibility even in direct sunlight and contributing to efficient power management due to its adaptive refresh rate capabilities. The **1.5-inch screen** with a **466 x 466 pixels resolution** (~310 ppi density) ensures sharp and clear visuals for all on-screen information. Under the hood, the device's performance is heavily influenced by its comprehensive sensor array. The inclusion of an **accelerometer, gyro, heart rate sensor, barometer, compass, SpO2 sensor, and a thermometer (body temperature)** allows for a wide spectrum of health and fitness tracking, from basic activity monitoring to more advanced metrics like **Heart Rate Variability (HRV)** and **Arterial Stiffness Detection**. The presence of an **ECG certification** further underlines its commitment to advanced cardiovascular health monitoring. A truly unique performance aspect is the **Sonar-based underwater communication (Nearlink, up to 30m distance)**, a groundbreaking feature that opens up new possibilities for underwater exploration and communication. The **X-TAP** feature, though unspecified in its exact function, likely adds an intuitive layer to user interaction. The combination of these hardware and software elements suggests a device capable of delivering smooth multitasking, accurate data collection, and specialized functionalities for both professional and recreational activities. The processing power, while not explicitly detailed, must be substantial to handle the demands of advanced sensor fusion, real-time health analytics, and potentially complex navigation algorithms, especially when utilizing its multi-band GNSS support (GPS, BDS, GALILEO, QZSS, GLONASS).

Software and User Interface

The Huawei Watch Ultimate 2 operates on **HarmonyOS 5.1**, signaling Huawei's ongoing commitment to its proprietary operating system and its vision for a connected ecosystem. HarmonyOS is designed to offer a fluid, intuitive, and interconnected user experience, and on a smartwatch, this translates to efficient navigation, rapid app loading, and seamless integration with other Huawei devices. Users can expect a refined interface that prioritizes ease of access to health data, notifications, and various functions. The OS's strength lies in its potential for optimized performance and power management, especially crucial for a device with a power-hungry display and advanced sensors. The ability to run a variety of apps, though the specific app ecosystem for HarmonyOS on wearables is still evolving, is key. However, it's important to note that the distinctiveness of HarmonyOS often means it's most advantageous when paired with other Huawei devices, enabling features like cross-device collaboration and data sharing. The platform's emphasis on security and privacy is also a critical aspect, ensuring user data is protected. The **eSIM** integration is a software-driven feature that allows for seamless cellular connectivity, enabling standalone calling, messaging, and data usage without a paired smartphone. This feature contributes significantly to the watch's independence and performance. Furthermore, the software underpins advanced functionalities like the **ECG certification**, **Heart Rate Variability (HRV) tracking**, and **Arterial Stiffness Detection**, indicating a sophisticated health analytics engine. The **Sonar-based underwater communication** is another area where the software plays a pivotal role, managing the complex transmission and reception of sonar signals for communication underwater. While HarmonyOS offers a compelling user experience, potential users migrating from other platforms might encounter a learning curve and a different app availability landscape compared to more established smartwatch operating systems like watchOS or Wear OS. Nevertheless, for those invested in the Huawei ecosystem, HarmonyOS 5.1 on the Watch Ultimate 2 promises a cohesive and powerful wearable experience.

Camera

The Huawei Watch Ultimate 2 **does not feature a camera**. This is a deliberate design choice that prioritizes the device's core strengths: ruggedness, advanced health and fitness tracking, and dive-specific functionalities. In the realm of smartwatches, the inclusion of a camera can introduce several challenges, including increased bulk, compromised water resistance, and potential privacy concerns. By omitting a camera, Huawei has been able to focus on engineering a device that excels in its intended use cases without these compromises. This decision aligns with the premium and adventurous positioning of the Watch Ultimate 2, where features like its 150m water resistance, extensive sensor suite, and sonar communication take precedence. While some smartwatches include cameras for video calls or quick snapshots, the Watch Ultimate 2 caters to users who are more likely to be using their phone for such purposes or who value the enhanced durability and specialized features that come with omitting a camera. The lack of a camera does not detract from the device's ability to serve as a powerful tool for communication and information, with its eSIM capability ensuring standalone connectivity for calls and messages. Instead, the resources and design considerations that might have been allocated to a camera have clearly been directed towards other areas, such as the advanced display technology, robust build materials, and specialized underwater communication features, making for a more focused and high-performing device in its target market.

Battery Life

The Huawei Watch Ultimate 2 is equipped with a substantial **867 mAh Li-Ion battery**, which is a critical component for a device boasting such advanced features and a high-performance display. The **10W wireless charging** capability ensures a convenient and modern charging experience. While the exact battery life figures are not provided in the specifications, a battery of this capacity, coupled with the energy-efficient **LTPO2 AMOLED display** that can dynamically adjust its refresh rate, suggests the potential for impressive endurance. The LTPO technology is crucial here, as it can significantly reduce power consumption by lowering the refresh rate when the display is static, such as when showing the time or passively displaying information. This efficiency is vital for a device intended for extended use in outdoor activities and potentially off-grid scenarios. Given the inclusion of features like multi-band GNSS for precise location tracking, continuous heart rate monitoring, SpO2, body temperature sensing, and potentially demanding sonar communication, the battery management will be a key area of performance. Huawei's HarmonyOS is also designed with power efficiency in mind, further contributing to maximizing battery life. For a device of this caliber, users would likely expect at least a couple of days of typical usage, with more intensive activities potentially reducing that duration. The 10W wireless charging, while not the fastest available on the market, is convenient and aligns with the premium nature of the device, allowing for hassle-free charging by simply placing it on a charging pad. The larger battery capacity compared to many standard smartwatches indicates Huawei's understanding of the demands placed on a device designed for adventurous use, where access to power outlets may be limited. Therefore, the combination of a high-capacity battery, efficient display technology, and optimized software is designed to provide users with the confidence that the Watch Ultimate 2 can keep up with their demanding lifestyles.

Connectivity and Networking

The Huawei Watch Ultimate 2 offers a comprehensive suite of connectivity options, emphasizing its role as a powerful, standalone device. The inclusion of **eSIM** is a significant advantage, allowing for independent cellular connectivity for calls, messages, and data without the need for a paired smartphone. This significantly enhances its utility for activities where carrying a phone is impractical or impossible. For wireless networking, it supports **Wi-Fi 802.11 a/b/g/n/ac/6**, ensuring fast and reliable local network connections for updates, app downloads, and potentially data syncing. **Bluetooth 5.2 with A2DP and LE** provides a stable and energy-efficient connection for pairing with headphones, speakers, and other accessories, as well as for communication with a smartphone if desired. The positioning capabilities are exceptionally robust, featuring **GPS (L1+L5), BDS (B1I+B1c), GALILEO (E1+E5a), QZSS (L1+L5), and GLONASS**. This multi-band GNSS support ensures highly accurate location tracking, crucial for navigation, sports tracking, and outdoor activities in challenging environments. **NFC** is present, enabling contactless payments and quick pairing with other NFC-enabled devices. The **network technology** includes **GSM / HSPA / LTE**, further solidifying its standalone cellular capabilities. Notably absent are a 3.5mm headphone jack and a USB port for wired data transfer, reinforcing the device's focus on wireless and integrated functionality. The **Sonar-based underwater communication (Nearlink, up to 30m distance)** is a unique and groundbreaking connectivity feature, offering a new dimension for underwater interaction and exploration, distinct from traditional radio-based wireless technologies. While it lacks radio broadcasting capabilities, the breadth of its other connectivity options makes it a highly versatile and independent wearable device.

Additional Features

Comparison with Other Related Phones

The Huawei Watch Ultimate 2 positions itself at the pinnacle of the smartwatch market, aiming to outclass competitors through its specialized features and premium build. When compared to other high-end smartwatches like the Apple Watch Ultra 2 or the Garmin Epix Pro (Gen 2), the Ultimate 2 distinguishes itself significantly. The **Apple Watch Ultra 2** excels in its seamless integration with the iOS ecosystem, a vast app store, and a user-friendly interface. However, the Huawei Watch Ultimate 2's **150m dive rating** and **Sonar-based underwater communication** are features not found on the Apple Watch, making it a superior choice for serious divers. The **Garmin Epix Pro (Gen 2)** is a direct competitor in the rugged, adventure-focused segment, offering exceptional GPS accuracy, long battery life in GPS mode, and a wealth of sports-specific metrics. Both devices boast advanced health tracking. However, the Huawei Watch Ultimate 2's **eSIM capability** offers true standalone cellular connectivity without relying on a paired phone for LTE, a feature that Garmin's current flagship smartwatches typically lack. Furthermore, the **Sonar communication** is a unique selling proposition that no other mainstream smartwatch offers. The materials used – **zirconium, ceramic, and sapphire crystal** – on the Huawei Watch Ultimate 2 suggest a build quality that rivals or surpasses that of its competitors, emphasizing durability and luxury. While the Apple Watch has a more mature app ecosystem, and Garmin is renowned for its deep dive into sports analytics, the Huawei Watch Ultimate 2 carves out its niche with its unparalleled water-resistance credentials, innovative underwater communication, and robust standalone connectivity via eSIM. Its HarmonyOS ecosystem, while growing, might appeal more to existing Huawei users, whereas Apple and Garmin have broader cross-platform appeal for their respective strengths.

Pros and Cons

Conclusion

The Huawei Watch Ultimate 2 stands as a testament to Huawei's engineering prowess, presenting a smartwatch that meticulously blends cutting-edge technology with an unwavering commitment to durability. Its standout features, such as the **150m water resistance**, **Sonar-based underwater communication**, and **eSIM capability**, firmly position it as a top-tier device for adventurers, divers, and those who demand uncompromising performance in challenging environments. The **LTPO2 AMOLED display** with its remarkable **3500 nits peak brightness** ensures usability in any light condition, while the comprehensive suite of advanced health sensors, including **ECG and arterial stiffness detection**, caters to the health-conscious user. The robust build, utilizing materials like zirconium, sapphire crystal, and ceramic, not only enhances its resilience but also imbues it with a premium aesthetic. Operating on **HarmonyOS 5.1**, the watch offers a potentially fluid and integrated experience, particularly for those already invested in the Huawei ecosystem. However, its premium positioning comes with a significant price tag of **€899.00**, placing it in direct competition with established high-end wearables. While its unique features like sonar communication are unparalleled, the maturity and breadth of the HarmonyOS app ecosystem may not yet match that of its primary competitors. Despite these considerations, the Huawei Watch Ultimate 2 is a compelling choice for individuals seeking a smartwatch that can truly keep pace with their most demanding pursuits, offering a blend of specialized functionality and robust design that is difficult to find elsewhere. It is a device that prioritizes purpose-built performance over a broad, generalized feature set, making it a strong contender for those who value innovation and ruggedness above all else.