Used Garmin Forerunner 935. Great device. Good condition. Well looked after. Strap holder is broken so I've been using a hair tie to keep the strap tucked in. You can pick up new non branded strap for very cheap. There is some surface scratches on the rear of the unit. Please see photos.

Premium GPS Running/Triathlon Watch with Wrist-based Heart Rate¹

Offers advanced running and multisport features in a comfortable watch you can wear all day, and it only weighs 49 grams

Provides elevation changes with a built-in barometer; altimeter and electronic compass help you keep your bearings

Evaluates your training status to indicate if you’re undertraining or overdoing it and offers additional performance monitoring features

Provides advanced dynamics² for running, cycling and swimming, including ground contact time balance, stride length and more

Battery life: up to 2 weeks in watch mode, up to 24 hours in GPS mode, up to 50 hours in UltraTrac™ mode (with wrist-based heart rate), or up to 60 hours in UltraTrac™ mode (without wrist-based heart rate)