Product Price GPS Accuracy (meters) Open Water GPS Support Pool Mode Heart Rate Monitoring Swim Distance Tracking (meters) Stroke Recognition Battery Life (hours) Water Resistance Depth (meters)
Suunto Race S Powder Gray
US
£206.90 Multi-band GPS Pool swim distance and openwater swim distance Up to 30 hours GPS; up to 120 hours Tour mode; up to 9 days smartwatch 50 m

The Suunto Race S Powder Gray is a compact multisport watch with multi-band GPS, offline maps, an AMOLED display and dedicated pool and openwater swimming modes. It suits athletes and triathletes who want detailed training and swim tracking in a smaller, lightweight design.

★ Ideal for

It suits quiet swimming because it supports openwater GPS, records heart rate while swimming, tracks pool and openwater distance, and recognizes stroke rate, count and type without requiring audible alerts.

Garmin fēnix 9
US
£741.56 Up to 29 days in smartwatch mode 40 m

The Garmin fēnix 9 is a rugged multisport GPS smartwatch with an AMOLED display, sapphire crystal, advanced navigation, health features, and 64 GB of storage. It suits athletes, outdoor adventurers, and active users who want long battery life and durable construction.

★ Ideal for

It suits people seeking a quiet swimming watch with open water GPS because it is designed as a multisport GPS watch and has 40 m water resistance, although the searched sources did not specify its swimming sound level or open water swim profile.

Garmin Cirqa
US
£148.31 Up to 10 days 50 m

Garmin Cirqa is a screen-free smart band with wrist-based heart rate, sleep, recovery, activity tracking and connected GPS through a compatible smartphone. It suits people who want discreet all-day health tracking and Garmin Connect integration, but it is designed for pool swimming rather than open-water GPS activities.

★ Ideal for

Garmin Cirqa is suitable for swimmers seeking a quiet, screen-free option because it has no display, supports pool swimming and is water resistant to 50 m, but it does not provide open-water GPS tracking.

Garmin Forerunner 170
US
£6125356.23 1-2% error in open conditions Completed pool lengths Up to 10 days smartwatch mode; up to 20 hours GPS mode 50 m

The Garmin Forerunner 170 is an entry-level GPS smartwatch with wrist-based heart-rate monitoring, pool and open-water swimming support, stroke recognition, and long battery life. It suits runners and recreational swimmers who want essential training and swim tracking without advanced multisport features.

★ Ideal for

It suits swimmers seeking a quieter watch with open-water GPS because it supports open-water swimming, tracks swim activity and heart rate, recognizes pool strokes, and offers up to 20 hours of GPS battery life.

Google Pixel Watch 5
US
£318.13 2x greater accuracy than previous generations Up to 40 hours 50 meters

The Google Pixel Watch 5 is an Android smartwatch with dual-frequency GPS, multi-path optical heart rate monitoring, Google Gemini features, and health tracking. It suits Android users who want a bright, capable fitness and wellness watch with up to 40 hours of battery life.

★ Ideal for

It suits swimmers seeking a quiet watch because it has no stated audible swimming features, dual-frequency GPS for accurate outdoor route tracking, and 50-meter water resistance, although open water GPS support and swim-specific tracking features were not found.

COROS APEX 2
US
£2965.53 All-satellite GNSS with five major satellite systems Yes 13 days regular use or 40 hours full GPS 50 m

The COROS APEX 2 is a durable multisport GPS watch with five-system satellite support, offline maps, wrist-based heart rate monitoring, and strong battery life. Its titanium bezel, sapphire glass, and 5 ATM water resistance suit endurance athletes, trail users, and swimmers who need a rugged training watch.

★ Ideal for

It suits swimmers seeking a quiet watch with open water GPS because it supports Open Water activity tracking, all-satellite GNSS, and 50 m water resistance without adding music or cellular features that could increase complexity.