HUAWEI WATCH Ultimate 2 (March-B39), Green

Key Benefits at a Glance

• Diving Technology: Dives to depths of up to 150 metres compliant with EN 13319
• Underwater Communication: Sonar-based messaging with a range of up to 30 metres, SOS relay up to 60 metres
• Positioning: Dual-frequency five-system GNSS with HUAWEI Sunflower Positioning System
• eSIM: Phone calls without a smartphone using AI-powered noise cancellation
• Health Monitoring: HUAWEI TruSense System with Multi-Sensing X-TAP technology
• Materials: Zirconium-based amorphous alloy case, nanoceramic bezel, sapphire glass

Diving & Underwater Communication

The smartwatch supports dives to depths of up to 150 metres and meets the diving equipment standard EN 13319. Its water resistance is certified to ISO 22810:2010 with a 20 ATM rating. The decompression algorithm used is Bühlmann ZHL-16C. Sonar-based underwater communication enables message exchange with dive buddies up to a range of 30 metres. SOS messages can be relayed up to 60 metres, with a retransmission interval of 25 seconds. Up to 50 dive buddies can be contacted.

Health & Sensors

The HUAWEI TruSense System with Multi-Sensing X-TAP technology forms the foundation of its health monitoring. The Health Glance feature captures over ten key health metrics in 60 seconds. An ECG sensor enables ECG and pulse wave rhythm analysis. The smartwatch identifies twelve emotional states. Integrated sensors include an accelerometer, gyroscope, magnetometer, optical heart rate sensor, barometer, ambient light sensor, temperature sensor, depth sensor, and X-TAP sensor.

Connectivity & Navigation

The smartwatch supports eSIM calls with AI-powered noise cancellation, allowing phone calls without a smartphone. Connectivity options include Bluetooth 5.2 with BR and BLE, Wi-Fi 6 (2.4 GHz + 5 GHz, IEEE 802.11a/b/g/n/ac/ax), NFC, and Nearlink. The dual-frequency five-system GNSS (HUAWEI Sunflower Positioning System) supports GPS, GLONASS, GALILEO, BeiDou, and QZSS on L1, as well as GPS, GALILEO, BeiDou, and QZSS on L5. System requirements are Android 9.0 or higher or iOS 13.0 or higher.

Display & Case

The 1.5-inch LTPO 2.0 AMOLED colour display has a resolution of 466 × 466 pixels at 310 ppi and a peak brightness of 3,500 nits. The case is made of a zirconium-based amorphous alloy with a hard coating, while the case back is made of nanocrystalline ceramic. The glass is sapphire, and the bezel is made of nanoceramic. Dimensions are 47.8 mm × 47.8 mm × 12.9 mm, with a weight of approximately 80.5 grams without the strap. Three buttons are available: an assist button (top left), a rotatable crown, and a function button (bottom right). Speaker and microphone are supported.

Battery & Charging

Battery life lasts up to 4.5 days with typical use in standard mode on Android and up to 3.5 days on iOS. With the always-on display enabled, battery life is reduced to up to 3 days (Android) or 2.5 days (iOS). In power-saving mode with light use, up to 11 days are possible. In dive mode, the battery lasts 18 hours without sonar-based underwater communication and 12 hours with it enabled. Expedition mode lasts 40 hours, golf mode 24 hours, and trail run mode 22 hours. Wireless charging is performed using the included HUAWEI WATCH Wireless SuperCharger (2nd Generation). After 15 minutes of fast charging, one day of use is possible. Power-saving mode can be activated in 3 seconds. Charging requirements are 5 V to 10 V DC at a maximum of 2 A.

Outdoor Features

Expedition mode offers altitude adjustment with a warning threshold starting at 2,500 metres. For golfers, over 17,000 zoomable golf course maps worldwide are available. The smartwatch is IP69 certified.

Scope of Delivery

The product packaging includes the smartwatch, a green-and-white fluoroelastomer strap as the standard strap, a titanium strap, a green fluoroelastomer strap in standard length, and an extra-long green fluoroelastomer strap. The HUAWEI WATCH Wireless SuperCharger (2nd Generation) is also included.