Garmin watch - 1.3-inch screen protected by Gorilla Glass.
Up to 16 days of battery life - designed to military standards for thermal, shock, and water resistance up to 10m.
Includes support for GPS, GLONASS, Galileo, and photo map loading.
24/7 heart rate sensor, blood oxygen, stress level, body energy, and sleep quality monitoring.
Supports contactless payments with Garmin Pay, stores music, and smartphone notifications.
Used once for competitive swimming but I find it uncomfortable; selling with original box included, the watch has been kept in meticulous condition.
List price €600.
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