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)
GARMIN GARMIN Forerunner 55 GPS Watch - Black
US
£100.55 Excellent Up to 14 days smartwatch mode; up to 20 hours GPS mode 50 m

The Garmin Forerunner 55 is a lightweight GPS running watch with wrist-based heart-rate monitoring, activity tracking, and guided training features. It suits beginner and recreational runners who want accurate GPS and long battery life in an easy-to-use watch.

★ Ideal for

It suits swimmers seeking a watch under $200 because it has 5 ATM water resistance and GPS tracking, but its listed features do not confirm open-water GPS, pool mode, swim distance tracking, or stroke recognition.

COROS COROS PACE 3 GPS Sports Watch - White
US
£147.14 Dual-frequency GPS Yes 15 days daily use / 38 hours GPS 5 ATM / 50m

The COROS PACE 3 is a lightweight multisport GPS watch with dual-frequency GPS, optical heart rate monitoring, pool and open-water swim modes, and long battery life. It suits runners, triathletes, and swimmers who want detailed training data in a compact watch.

★ Ideal for

It suits swimmers seeking a top-rated open-water GPS watch under $200 because it offers open-water GPS, pool swim tracking, four-stroke recognition, heart rate monitoring, 5 ATM water resistance, and a current price below $200.

GARMIN Garmin Forerunner 165 Connected GPS Running Watch - Black/Dark Grey
US
£147.87 Multi-GNSS GPS Yes Up to 11 days in smartwatch mode; up to 19 hours in GPS mode 5 ATM

The Garmin Forerunner 165 is a lightweight GPS running watch with an AMOLED touchscreen, wrist-based heart-rate monitoring, and multi-GNSS GPS. It supports both pool and open-water swimming, including distance, pace, stroke rate, and pool stroke recognition, making it suitable for runners and recreational swimmers.

★ Ideal for

It suits swimmers seeking an open-water GPS watch under $200 because it records open-water distance and pace, recognises pool strokes, and has built-in GPS, although the discounted price is close to the budget limit.

AMAZFIT Amazfit T-Rex 3 Mode HYROX GPS Sports Watch
US
£207.03 Dual-band GPS with six satellite systems Yes Up to 27 days typical use 100 m

The Amazfit T-Rex 3 is a rugged GPS sports watch with dual-band positioning, extensive workout tracking, heart-rate monitoring, swimming modes, and up to 27 days of typical battery life. Its 10 ATM water resistance and diving support suit swimmers, outdoor athletes, and adventure-focused users.

★ Ideal for

It suits swimmers seeking an open-water GPS watch under $200 because it supports open-water swimming GPS, recognizes five stroke types, tracks pool workouts, and offers 100 m water resistance, although the listed standard price is above $200.

DECATHLON Decathlon Fit 100 S GPS Sport Connected Watch
US
£258.78 7 days daily use, 8 hours GPS use 5 ATM

The Decathlon Fit 100 S is a beginner-friendly multisport smartwatch with smartphone-connected GPS, heart-rate monitoring, pool swimming mode, AMOLED display, and 7-day battery life. Its 5 ATM water resistance supports surface swimming, making it suitable for casual swimmers and general fitness users rather than dedicated open-water swimmers.

★ Ideal for

It suits budget-conscious pool swimmers under $200 who want heart-rate monitoring, pool swimming support, 5 ATM water resistance, and long battery life, but it is not a strong match for open-water GPS because open-water support is not specified.