Rolex Oyster Perpetual Date GMT-Master II - 40mm - Two Tone - Ceramic Black Bezel - Black Dial - Ref. 116713 (Item # 14139)
Rolex Oyster Perpetual Date GMT-Master II Watch
SN: M Series (Circa 2010) Ref. 116713 40mm stainless steel case, black 24-hour 18K yellow gold bezel, green 24-hour hand, independent 12-hour hand, black dial, date window at 3 o'clock, and stainless steel and 18K yellow gold Oyster Fliplock bracelet.
As intercontinental travel developed in the 1950’s the GMT Master was conceived and developed and introduced to the public in 1955 to meet the needs of pilots flying swiftly across several timezones.The two-toned bezel which marked daytime and nighttime hours became its distinguishing feature. With the extra 24 hour hand rotating the bezel every 24 hours it was easy to keep track of home time while in the air to far reaching locales.