# What are the best swimming watches with open water GPS for professional use? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the best swimming watches with open water GPS for professional use?

## Products

### Suunto Suunto Vertical 2 All Black
```yaml
product: suunto-suunto-vertical-2-all-black
brand: Suunto
price_gbp: 444.2
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
pool_mode: Pool swimming sport mode
battery_life: Up to 65 hours
gps_accuracy: Dual-band GNSS
open_water_gps: Yes
stroke_recognition: Swimming stroke rate, count and type
heart_rate_monitoring: Integrated wrist heart rate
swim_distance_tracking: Pool and openwater distance
water_resistance_depth: 100 m
```

- **Price:** £444.2 [^1]
- **Summary:** The Suunto Vertical 2 All Black is a rugged adventure watch with dual-band GNSS, offline maps, an AMOLED display, integrated LED flashlight and more than 115 sport modes. It suits endurance athletes, outdoor adventurers and swimmers who need long battery life and both pool and openwater swim tracking.
- **Ideal For:** It suits professional openwater swimmers because it supports openwater GPS distance tracking, records heart rate during swimming, recognizes stroke type and offers up to 65 hours of training battery life in the most accurate GPS mode.
- **Additional Sources:** [^2], [^3]

### Suunto Suunto Race 2 All Black
```yaml
product: suunto-suunto-race-2-all-black
brand: Suunto
price_gbp: 43003.56
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
pool_mode: true
battery_life: Up to 55 hours GPS; up to 18 days smartwatch mode
gps_accuracy: Dual-band GPS
open_water_gps: Yes
stroke_recognition: true
heart_rate_monitoring: Wrist-based optical heart rate monitoring
swim_distance_tracking: Yes
water_resistance_depth: 100 m
```

- **Price:** £43003.56 [^4]
- **Summary:** The Suunto Race 2 All Black is a multisport GPS watch with dual-band GPS, offline maps, wrist-based heart rate monitoring, and dedicated pool and open-water swimming modes. Its long battery life and 100 m water resistance suit endurance athletes, triathletes, and outdoor users who need reliable training and navigation features.
- **Ideal For:** It suits professional open-water swimmers because it supports open-water GPS distance tracking, dedicated swimming modes, wrist-based heart rate monitoring, stroke recognition, dual-band GPS, and up to 55 hours of GPS battery life.

---
## References & Sources
[^1]: Suunto US, accessed 2026-09-04. https://us.suunto.com/products/suunto-vertical-2-all-black
[^2]: Suunto Australia, accessed 2026-09-04. https://apac.suunto.com/products/suunto-vertical-2-all-black
[^3]: Banana Run, accessed 2026-09-04. https://bananarun.com/th/suunto-vertical-2-amoled.html
[^4]: Suunto India, accessed 2026-09-04. https://apac.suunto.com/en-in/products/suunto-race-2-all-black