Rolex Datejust 31: Reference 178158 Pre-Owned & New | NYC Diamond District
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The Rolex Datejust reference 178158 represents the pinnacle of the mid-size 31mm collection. Crafted entirely from 18ct yellow gold and featuring a factory diamond-set bezel, this timepiece bridges the gap between horology and high jewelry. It is a favored choice for those who find the 28mm Lady-Datejust too small and the 36mm classic size too large.
Material Excellence: 18ct Yellow Gold
Rolex operates its own foundry, allowing the brand to cast the highest quality 18ct gold alloys. The 178158 is constructed from solid 18ct yellow gold, providing a distinct weight and luster that distinguishes it from Rolesor (two-tone) models. Every component, including the mid-case, the screw-down crown, and the bracelet, is fashioned from this precious metal.
The Diamond-Set Bezel
Unlike the standard fluted or smooth bezels found on most Datejust models, the 178158 is defined by its factory-set diamond bezel. Rolex uses only top-tier diamonds, and each stone is hand-set by master jewellers to ensure perfect alignment and maximum light refraction. Choosing a factory-set bezel over an aftermarket addition is crucial for maintaining the long-term resale value and integrity of the timepiece.
The President Bracelet
While most Datejust watches are equipped with Oyster or Jubilee bracelets, the all-gold 178158 is frequently paired with the prestigious President bracelet. Characterized by its semi-circular three-piece links, this bracelet offers a seamless, jewelry-like aesthetic and features the concealed Crownclasp, providing both comfort and security on the wrist.
Technical Specifications
The Reference 178158 features a 31mm case diameter and is powered by the Calibre 2235, a self-winding mechanical movement known for its precision. It offers approximately 48 hours of power reserve and is water-resistant to 100 meters. The scratch-resistant sapphire crystal includes the iconic Cyclops lens over the date for easy reading.
Authenticity at Diamond Source NYC
When purchasing a high-value gold reference like the 178158, provenance is everything. At Diamond Source NYC, we verify the gold purity, movement timing, and the authenticity of the diamond settings. Each watch undergoes a rigorous multi-point inspection to ensure it meets our standards for luxury and performance. Visit our Manhattan showroom to experience the brilliance of this solid gold masterpiece in person.