Bezel Round Wrist Watch

How to use a Slide Rule Bezel on your Watch. Watch and Learn #11

Bezel Round Wrist Watch

In today's episode of Watch and Learn, we show you how to use the rotary slide rule on a watch. Often referred to as an aviation slide rule, this indispensable tool is the pre-cursor to modern calculators. From dividing up a dinner tab among friends, then adding a tip, to calculating fuel consump...

Tags: citizen,navitimer,breitling,nighthawk,rotary sl...