Huawei Watch Ultimate 2
Next-generation professional dive computer with 150m certification and global satellite connectivity
Where to Buy
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Overview
The Huawei Watch Ultimate 2 features zirconium-based liquid metal construction with EN13319-certified diving to 150m. With 1.5" LTPO 2.0 AMOLED display (peak 3500 nits), 20 ATM + IP68 + IP69 water resistance, SubWave sonar communication, Wi-Fi 6, and up to 11 days battery life. Includes comprehensive dive computer with technical diving support and health monitoring.
Technical Specifications
Physical Specs
| Case Size (mm) | Black: 48.5 x 48.5 x 12.9 mm, Blue: 47.8 x 47.8 x 12.9 mm |
| Weight (g) | 80.5g (excluding strap) |
| Case Material | Zirconium-based liquid metal |
| Bezel Material | Zirconium-based liquid metal |
| Lens Material | Sapphire glass |
| Back Material | Nanocrystal ceramic |
| Strap Material | Fluoroelastomer / Titanium strap (Blue variant) |
| Water Resistance Rating | 20 ATM (EN13319 to 150m) |
Display
| Type | LTPO 2.0 AMOLED |
| Size (inches) | 1.5 |
| Resolution (pixels) | 466 x 466 pixels (PPI 310) |
| Brightness (nits) | 3500 |
| Features | Always-On Display, LTPO 2.0 technology, Color screen |
Hardware
| Chipset | Kirin W5+ |
| Storage | 64GB |
Battery
| Smartwatch Mode | 4.5 days typical (Android), 3.5 days (iOS) |
| Typical Use | 4.5 days (Android), 3.5 days (iOS) |
| Heavy Usage | 3 days with AOD (Android), 2.5 days (iOS) |
| Low Power Mode | 11 days (light use), 6 days (typical), 4 days (AOD) |
| GPS Mode | Trail run: 22 hours |
| Dive Mode | 18 hours (sonar off), 12 hours (sonar on) |
| Expedition Mode | 40 hours |
| Wireless Charging | Yes |
Diving - General Info
| EN 13319 Certified | Yes |
| Max Operational Depth Metres | 150 |
Diving - Scuba Features
| Supported | Yes |
| Dive Modes | Recreational, Technical, Freedive, Gauge |
| Decompression Model | Bühlmann ZHL-16C with Gradient Factors |
| Gas Mixes Supported | Air, Nitrox (21-99% O₂) |
| Max PO2 (bar) | 1.6 |
| Air Integration | No |
| Safety Features | Ascent rate alerts, No-fly timer, Decompression stops, Safety stop countdown |
| Dive Computer Functionality | Full technical dive computer capabilities |
Diving - Freedive Features
| Supported | Yes |
| Max Depth (m) | 150 |
| Modes | Apnea, Spearfishing, Pool Apnea, Training |
| Depth Tracking Accuracy | ±0.1m |
| Auto Depth Tracking | Yes |
| Surface Interval Tracking | Yes |
| Safety Alerts | Ascent rate alerts, Surface interval timer, Customizable depth alarms |
Smart Features
| Operating System | HarmonyOS 5.5 |
| Health Monitoring Summary | ECG, SpO2, Skin Temperature, Sleep Stages, Stress, TruSeen 7.0, VO2 Max |
| Activity Tracking Summary | 120+ workout modes, Golf Swing Analysis, Expedition Mode, Ski metrics |
| Smart Functions | Global NFC payments, Wireless Charging, Music Storage, Smart notifications |
| Payment System | Huawei Pay |
| Music Storage And Playback | Yes |
| Voice Assistant | Yes |
| Emergency Features | Global Satellite SOS, Fall detection |
| Navigation Features Summary | Offline topographic maps, Track Back, Dual-band GPS, Route planning |
| Other Notable Features | Global satellite SMS (subscription required), Dive planning calculator, SubWave sonar underwater communication, X-TAP sensor, Nearlink connectivity |
Max Depth: 150m
EN13319 Certified: Yes
Pros
- 150m EN13319 dive certification
- Zirconium-based liquid metal construction (80.5g without strap)
- Peak 3500 nits display brightness
- 20 ATM + IP68 + IP69 water resistance
- SubWave sonar for underwater communication
- Wi-Fi 6 and Nearlink connectivity
- 40-hour expedition mode
- Technical dive modes with CCR support
- 18 hours dive mode (12 hours with sonar)
- 64GB storage
Cons
- Shorter battery life
- Heavier than previous specs (80.5g vs 72g)
- Satellite features require subscription
- eSIM availability varies by region
- No air integration
- Complex menu system for beginners
- Limited third-party app ecosystem
- Requires Android 9.0+ or iOS 13.0+