This is one of the simple and clean clock.
You can Follow the below Step By Step procedure to install the Clock Chrome Extension to your Chrome Web browser.
It is the Clock Chrome extension download link you can download and install Chrome Browser.
A Simple & Easy HTML5 Clock by zzllrr. Just search zzllrr on Chrome Webstore for other fullscreen versions
Adds an analog clock to the Chrome toolbar.
Just a simple clock
Show the current time like analog clock face on toolbar and small calendar on popup window.
This extension shows the time and date in the toolbar
A simple and customizable clock