ROLEX GMT-MASTER II 16178 18K YELLOW GOLD BLACK DIAL AND BEZEL SHORT INDEXES<\/p>\n
The GMT has been a staple model in Rolex collections since its introduction in 1954. It was initially designed in collaboration with Pan American World Airways (an airline, which filed for bankruptcy in 1991 and was partially purchased by Delta Airlines). In the 1950s, the aviation industry gained great popularity and pilots and their crew began to undertake more long-distance flights. This was why Rolex introduced the GMT Master for Pan Am. The bezel (24-hour indication) was a key innovative feature that allowed the wearer to reference two different time zones simultaneously. The fourth hand (24-hour display) allows the wearer to set the watch to any time zone for the main time display, then set the rotating 24-hour scale bezel to a second time zone. For those who don't know, GMT stands for "Greenwich Mean Time". One of the previously mentioned important and rare GMTs is the reference 16718<\/p>\n
This used Rolex watch reference 16718 boasts the following features:<\/p>\n
18k yellow gold case
\nBlack short dial
\nBlack bezel
\nCrystal Sapphire
\nBlack calfskin strap<\/p>\n
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