Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Ricoh WG-6 and Pentax RZ18 side-by-side from the front, back and top in their relative dimensions. Ricoh WG-6 has external dimensions of 118 x 66 x 33 mm (4.65 x 2.6 x 1.3″) and weighs 246 g (0.54 lb / 8.68 oz) (including batteries). Pentax RZ18 has external dimensions of 97 x 61 x 33 mm (3.82 x 2.4 x 1.3″) and weighs 178 g (0.39 lb / 6.28 oz) (including batteries).
Below you can see the front view size comparison of Ricoh WG-6 and Pentax RZ18. Pentax RZ18 is 21mm narrower and 5mm shorter than Ricoh WG-6 but they have the same thickness of 33mm.
Comparison image of Ricoh WG-6 and Pentax RZ18 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Ricoh WG-6 and Pentax RZ18.
Comparison image of Ricoh WG-6 and Pentax RZ18 Size and Weight - Back View
Now lets look at the top view comparison of Ricoh WG-6 and Pentax RZ18.
Top View Comparison image of Ricoh WG-6 and Pentax RZ18 Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Pentax RZ18 is significantly lighter (68g ) than the Ricoh WG-6 which may become a big advantage especially on long walking trips.
Weather Sealing
LCD Screen Size and Features
Ricoh WG-6 and Pentax RZ18's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.