Water and Dust Sealing

Rain and grit reach ports and buttons first on any phone used outside.

Drop Resistant Build

A fall onto rock or a boat deck is likelier here than on a carpeted floor.

High Peak Brightness

Midday glare washes out a screen you need for maps and messages.

Wet and Gloved Touch

Wet fingers and gloves fail on panels tuned only for dry bare skin.

Multi Day Battery Size

Two days from an outlet turns capacity into the difference between working and dead.

Physical Buttons and Keys

A tactile key you can find without looking beats a touch target in the cold.