Rolex GMT-Master II 40 mm 116748SANR Yellow Gold Black

The Rolex GMT-Master II is one of the most iconic and recognized dual-timezone watches in the history of horology, originally developed in the 1950s in partnership with Pan American World Airways to allow pilots and crew to track two time zones simultaneously. Over decades the line evolved from a tool watch into one of Rolex's most coveted collector references, spanning steel sport editions all the way to precious-metal grand complications. Reference 116748SANR sits at the absolute pinnacle of that evolution, representing a rare intersection of technical watchmaking and haute joaillerie that few sport watches in any collection can rival.

The case of reference 116748SANR is fashioned entirely in 18k yellow gold and measures 40mm in diameter, a size that defined the GMT-Master II for a generation of wearers and remains deeply associated with the model's classic proportions. The Oyster case carries a water resistance rating of 100 meters (330 feet), preserving the robust, sealed architecture that has always distinguished the GMT-Master II from purely dress-oriented pieces. The combination of warm yellow gold and secure Oyster engineering is rare and immediately communicates a watch built to be worn rather than merely admired.

The bezel of the 116748SANR departs entirely from the standard ceramic or aluminum insert configuration and is instead set with diamonds and gemstones, lending the watch its distinctive SANR designation — a suffix Rolex reserves for stone-set references of this caliber. The black dial provides a rich, high-contrast backdrop that allows both the gem-set bezel and the luminous hour markers to read with exceptional clarity. Every visual element on this reference has been considered to balance legibility with luxury at the highest possible level.

The bracelet continues the gem-set theme, pairing solid 18k yellow gold links with diamond-set elements that cascade across the wrist with remarkable presence. Rather than a simple Oyster or Jubilee configuration, the bracelet of the 116748SANR is itself a piece of jewelry, ensuring that the watch commands attention from every angle. The clasp integrates Rolex's Oysterlock safety mechanism, providing security appropriate for a piece of this value and rarity.

Powering the 116748SANR is a Rolex automatic movement, providing the hallmark GMT complication that allows the wearer to independently set a second timezone via the bidirectionally rotating 24-hour hand — an essential feature for frequent travelers and globally minded collectors. The movement benefits from Rolex's decades of in-house manufacturing expertise, delivering the reliability and precision that Rolex is synonymous with worldwide.

Bizak and Co. is proud to present this certified authentic used Rolex GMT-Master II reference 116748SANR for sale online at bizakandco.com. Pre-owned examples of this gem-set, yellow gold GMT-Master II are exceptionally scarce on the secondary market, making this an outstanding opportunity for collectors seeking a statement piece that blends genuine dual-timezone functionality with investment-grade precious materials. We invite you to contact our team with any questions or to arrange purchase — our specialists are ready to assist.