The Rolex GMT‑Master II ref. 16713, colloquially known as the “Root Beer,” stands as a distinguished emblem of Rolex’s late‑20th‑century tool watch innovation. Introduced in the late 1980s, this two‑tone masterpiece blends stainless steel with 18k yellow gold, crowned by a bi‑directional brown and gold “Root Beer” bezel insert and paired with a matching brown dial. Powered by the rugged and precise Caliber 3185 automatic movement, it ushered in independent hour hand adjustment for seamless dual‑time functionality. The 40 mm Oyster case, sapphire crystal, and applied gold surrounds on the luminous markers lend the watch both durability and refined legibility. Its production run through the 1990s into the early 2000s makes it a quintessential transitional model—bridging vintage charm with modern robustness. Collectors prize the ref. 16713 for its unique aesthetic, horological significance, and the fact that it w as the last GMT‑Master II with an aluminum bezel before the Cerachrom era. This Root Beer remains a compelling choice for seasoned enthusiasts seeking a rare blend of heritage, technical advancement, and iconic style. Excellent Condition with Rolex box and papers dated 1992.