Even if you don't know anything about watches, you've darn well heard of "Pepsi." And we're not talking about the drink.

Master, which was released in 1955 and is celebrating its 70th birthday this year, was a totally new kind of travel watch.

Celebrating the less famous Rolex GMT-Master references for the watch's 70th anniversary ✓ Check out the 116718, 1675/8, ...