Rolex Precision 6424 - Black Patina Dial.

Reference: 6424

Model: Precision

Era: Late 1950s / Early 1960s

Movement: Manual Wind

Case Size: 36mm

Lug Width: 20mm

Bracelet: 1960s Rolex Jubilee

Bracelet Length:

Dial: Black with Patina

Metal: Stainless Steel

SKU: 10074238189859

Founded in 1905 by Hans Wilsdorf in London, Rolex began with a simple idea: make wristwatches that were as precise as pocket watches. At the time, wristwatches were seen as fragile and unreliable. Wilsdorf partnered with Alfred Davis and focused on sourcing high-quality movements from Switzerland, casing them in durable designs, and relentlessly pursuing chronometric accuracy. By 1910, a Rolex became one of the first wristwatches to receive a Swiss Certificate of Chronometric Precision, and in 1914 it earned a Class A precision certificate from Kew Observatory in England, a standard usually reserved for marine chronometers.

In 1919, Rolex moved its headquarters to Geneva, positioning itself at the center of Swiss watchmaking. The brand’s defining breakthrough came in 1926 with the launch of the Oyster case, the world’s first waterproof wristwatch case. The design used a screw-down crown and caseback to create a hermetically sealed shell. To prove the point, Rolex had swimmer Mercedes Gleitze wear an Oyster while crossing the English Channel in 1927. The watch survived, and the Oyster name became synonymous with durability.

Rolex continued to build tool watches that pushed technical boundaries. In 1931, it introduced the Perpetual rotor, a self-winding mechanism that became the foundation for modern automatic movements. Over the following decades, Rolex released purpose-built models that defined entire categories: the Datejust in 1945 with its automatically changing date window, the Submariner in 1953 for divers, the GMT-Master in 1955 for international pilots, and the Day-Date in 1956 displaying both the date and the day spelled out in full. Each model was designed for real-world use, then refined into a luxury standard.

Today, Rolex remains one of the most recognized and vertically integrated watch manufacturers in the world. Still based in Geneva and owned by the Hans Wilsdorf Foundation, the brand controls everything from foundry work to movement production and final assembly. While trends shift, Rolex has stayed close to its core formula: incremental innovation, industrial reliability, and designs that evolve without losing identity. For collectors and historians alike, that consistency is what makes vintage Rolex pieces so compelling decades later.