Within a week of the launch of the replacement model for the Rolex 1601, Ref. 16014, there were already consumers who purchased it. The exact date is hard to pinpoint now. However, according to official records from the manufacturer, the 27-jewel Caliber 3035 movement used in the 16014 was introduced in 1977 — so this must be around that time. In the hearts of Rolex enthusiasts, the 16014 has completely overshadowed the 1601. One significant difference between the two lies in the fact that the central龟-back dial of the gold watch on the 1601 was replaced with a pure flat one on the 16014. Some say the龟-back design looks more ancient and elegant. The 16014, along with all Datejusts of the same period, features an open and expansive dial, exuding a true regal demeanor, especially in yellow gold. The 6018 (from this period onward, Rolex began using the last digit of the model number to represent the case material) appears even more grand and generous compared to the 1601 in the same metal. Besides appearance...