File:Gaouin Tsukasa and her watch.png

Summary
Description: Gaouin Tsukasa and her watch, as seen on the title page of Toaru Kagaku no Mental Out Chapter 16

Source: (File:Toaru Kagaku no Mental Out Manga Chapter 016.jpg)

Purpose: To illustrate what the subject(s) in question look like on articles

Portion used: Subject(s) in question

Replaceable?: If another image exists which fulfil the same purpose to a better extent