Panasonic's new laptop has a round touchpad, weighs 919g, and has a removable battery that lasts 23 hours — Let's Note SC7 is a powerful reminder that Japan remains the undisputed leader of tiny notebooks

Panasonic Let's Note SC7 weighs just 919 grams but passed drop tests from both 76 and 30 cm

The chassis meets the US military's MIL-STD-810H toughness standard

Battery testing returned nearly 23 hours of continuous everyday use

Japanese manufacturers have long built a reputation for producing remarkably light business notebooks, with some models weighing under a kilogram entirely.

Panasonic has now expanded that lightweight lineup with the Let's Note SC7, a compact notebook weighing just 919 grams total.

The company…