Quote:
Originally Posted by cerbom
In the Northern Hemisphere the Rolex GMT-Master may also be used as a compass. Simply point the hour hand towards the sun and automatically the red 24-hour hand will point to the North! Try it
Can someone explain this?
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You can actually do this with ANY watch with hands. Here's a brief summary and might help to explain it for you.
http://www.wikihow.com/Use-an-Analog-Watch-as-a-Compass