It is so cool, not because its looks, but it also helps with a lot of counting/measuring things. If You have chronograph and do not know how to use it then it is a must see video. Ranked 3.02 / 5 | 14 views | No comments

Click here to watch the video
Submitted By: robgr85
Tags:
chronograph tachymeter tachymetre watch clock wristwatch cool trick learn fun 

Original post by robgr85 and software by Elliott Back