Garmin has unveiled two new GPS smartwatches with AMOLED displays: the Forerunner 965 and 265 series. The timepieces are labeled as dedicated running watches and provide “advanced training metrics” for athletes, heart-rate variability (HRV), sleep quality, training load and more.

The high-end Forerunner 965 model comes with a 1.4-inch AMOLED display, a decent 31 hours of GPS-mode battery life and up to 23 days of use as a smartwatch. The flagship model of the series features additional performance stats over the cheaper 265, including training load ratio, stamina info and detailed climbing metrics (including gradient, distance and elevation).

The Forerunner 265 Series comes in two sizes (42mm and 46mm) and holds out for 24 hours in GPS mode or 15 days in smartwatch mode.

All of the watches in the series use Pulse Ox sensors, and offer “Body Battery” monitoring, sleep and stress stats, menstrual cycle and pregnancy tracking. As well as featuring adaptive training options and suggested workouts, the Garmin 965 and 265 both monitor v02 max and other important performance metrics.

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The Forerunner 965 will cost $600 when it hits stores in “late March”, while the cheaper Forerunner 265 is available now for $450.