Garmin is moving the needle yet again with its recently launched Tactix 8. Like many of Garmin's flagship models, this unit is available in a 51mm or new 47mm case size.

Garmin has unveiled support for rucking on its new tactix 8, but what is it, and will support come for more devices?

Garmin has launched one of its toughest-ever smartwatches, the Tactix 8, available in 47mm and 51mm case sizes. Built to US military standard (MIL-STD-810) for thermal, shock and water resistance, it has a 40-meter dive rating with leakproof buttons and a new sensor guard to help protect essential sensors.