Rolex GMT Master II, Yellow Gold Black Dial 40MM Watch 116718LN(PRE-OWNED)DESCRIPTION Introduced in 2005 the 116718LN is the perfect watch for the world traveler with an additional 24 hour hand to keep track of all your time zones. The 116718LN has a 40mm yellow gold case with a sapphire crystal, a solid case back and a screw down crown. It has a black ceramic bezel that is bidirectional working in tandem with the GMT hand of the watch as a 24 hour clock for a second time zone. The dial is black with luminous hour markers