Panasonic GX1 weighs 318 g (0.70 lb / 11.22 oz) and has external dimensions of 116 x 68 x 39 mm (4.57 x 2.68 x 1.54″). Considering that the average weight of Mirrorless type cameras is 442g, Panasonic GX1 is a remarkably light camera for its class. Even better, with a thickness of only 39mm, it is also quite small, 11mm thinner than the average of its class.
Here is the front and top view image of Panasonic GX1 with the dimensions:
In order to give you a better idea about the real life size of Panasonic GX1, we have added an image of how it looks next to a credit card and an AA type battery.
Now lets compare the weight and thickness of Panasonic GX1 with its main competitors:
Panasonic GX1 Size Compared to Main Competitors
Panasonic GX1 doesn't have any environmental sealings on its body so you got to be extra careful to protect it against water and dust. If you shoot under these conditions very often, consider checking Top Mirrorless Cameras with Weather Sealing page.