170 Rolex An immensily rare, attractive and superbly preserved, Day-Date, automatic wristwatch in yellow gold, with lapis lazuli Piramidal diamond-set dial, diamond-set bezel and original guarantee, reference 18348.

Estimate: € 50.000 –⁠ 100.000

• Model Day-Date
• Year Circa 1990
• Reference 18348
• Case Material 18K yellow gold and diamonds
• Case Number E139569
• Bracelet Material 18K yellow gold Rolex bracelet, approximate length 190mm
• Movement Automatic, cal. 3155, 31 jewels
• Dimension 36mm Diameter
• Signed Case, dial and movement
• Accessories Accompanied by Rolex guarantee stamped C.S. Torres LDA.

There are watches that tell time, and those that define an era—the Rolex Day-Date belongs firmly to the latter. Introduced in 1956 as the first wristwatch to display both day and date in full, it became the ultimate symbol of prestige, reserved for precious metals. By the late 1980s, with the five-digit references, it entered a new chapter, introducing sapphire crystals, the caliber 3155 with double quick-set, and a more expressive approach to dial design.
The reference 18348 stands among the most opulent expressions of the Day-Date, crafted in yellow gold with a diamond-set bezel. What truly elevates this example, however, is its elusive lapis lazuli “pyramid” dial, one of Rolex’s most captivating and rare creations.
Far more than decorative, the three-dimensional geometric surface plays with light, shifting from deep blue to vibrant cobalt. Produced in very limited numbers during Rolex’s more experimental era, such dials remain highly sought after, especially when paired with diamond hour markers.
Preserved in outstanding original condition, with caseback sticker and guarantee, this watch transcends rarity. The sharp case, crisp hallmarks, and excellent bracelet reflect careful stewardship, making it a truly exceptional and charismatic example. This 18348 is a celebration of Rolex’s capacity for quiet audacity. Beneath the familiar silhouette lies a dial that transforms the watch into kinetic sculpture. It is confident, unapologetic, and unmistakably of its golden age, yet as compelling today as when it first left Geneva. For the connoisseur who understands that true rarity lies not only in reference numbers but in the subtle poetry of execution, this pyramid-dial Day-Date stands as a glittering testament to the art of Rolex at its most expressive.